96-15953. Airworthiness Directives; Airbus Model A300 B2 and B4 Series Airplanes  

  • [Federal Register Volume 61, Number 130 (Friday, July 5, 1996)]
    [Rules and Regulations]
    [Pages 35122-35125]
    From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
    [FR Doc No: 96-15953]
    
    
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    DEPARTMENT OF TRANSPORTATION
    
    Federal Aviation Administration
    
    14 CFR Part 39
    
    [Docket No. 94-NM-102-AD; Amendment 39-9679; AD 96-13-11]
    RIN 2120-AA64
    
    
    Airworthiness Directives; Airbus Model A300 B2 and B4 Series 
    Airplanes
    
    AGENCY: Federal Aviation Administration, DOT.
    
    ACTION: Final rule.
    
    -----------------------------------------------------------------------
    
    SUMMARY: This amendment supersedes an existing airworthiness directive 
    (AD), applicable to all Airbus Model A300 B2, B4-100, and B4-200 series 
    airplanes, that currently requires supplemental structural inspections 
    to detect fatigue cracking, and repair of cracked structure. This 
    amendment requires revising the supplemental structural inspection 
    (SSID) program by changing some of the inspection techniques, changing 
    some of the thresholds and intervals for inspections, expanding the 
    area to be inspected for some of the inspections, and revising the 
    Fleet Leader Program. This amendment is prompted by a review of recent 
    service history and reports received from the current SSID program 
    required by the existing AD. The actions specified by this AD are 
    intended to prevent reduced structural integrity of these airplanes due 
    to fatigue cracking.
    
    DATES: Effective August 9, 1996.
    
        The incorporation by reference of Airbus Industrie A300 
    Supplemental Structural Inspection Document (SSID), Revision 2, dated 
    June 1994, as listed in the regulations is approved by the Director of 
    the Federal Register as of August 9, 1996.
        The incorporation by reference of Airbus Industrie A300 
    Supplemental Structural Inspection Document (SSID), dated September 
    1989, as listed in the regulations, was approved previously by the 
    Director of the Federal Register as of March 9, 1993 (58 FR 6703, 
    February 2, 1993).
    
    ADDRESSES: The service information referenced in this AD may be 
    obtained from Airbus Industrie, 1 Rond Point Maurice Bellonte, 31707 
    Blagnac Cedex, France. This information may be examined at the Federal 
    Aviation Administration (FAA), Transport Airplane Directorate, Rules 
    Docket, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of 
    the Federal Register, 800 North Capitol Street, NW., suite 700, 
    Washington, DC.
    
    FOR FURTHER INFORMATION CONTACT: Phil Forde, Aerospace Engineer, 
    Standardization Branch, ANM-113, FAA, Transport Airplane Directorate, 
    1601 Lind Avenue, SW., Renton, Washington 98055-4056; telephone (206) 
    227-2146; fax (206) 227-1149.
    
    SUPPLEMENTARY INFORMATION: A proposal to amend part 39 of the Federal 
    Aviation Regulations (14 CFR part 39) by superseding AD 93-01-24, 
    amendment 39-8478 (58 FR 6703, February 2, 1993), which is applicable 
    to all Airbus Model A300 B2, B4-100, and B4-200 series airplanes, was 
    published in the Federal Register on January 31, 1996 (61 FR 3343). The 
    action proposed to continue to require supplemental structural 
    inspections to detect fatigue cracking, and repair of cracked 
    structure. The action also proposed to require revising the 
    supplemental structural inspection program, including changing some of 
    the inspection techniques, changing some of the thresholds and 
    intervals for certain inspections, expanding the area to be inspected 
    for some of the inspections, and revising the Fleet Leader Program.
        Interested persons have been afforded an opportunity to participate 
    in the making of this amendment. Due consideration has been given to 
    the two comments received.
    
    Support for the Proposal
    
        Both commenters support the proposed rule.
    
    Conclusion
    
        After careful review of the available data, including the comment 
    noted above, the FAA has determined that air safety and the public 
    interest require the adoption of the rule as proposed.
    
    Cost Impact
    
        The FAA estimates that approximately 26 Model A300 series airplanes 
    of U.S. registry will be affected by this AD.
        The actions that are currently required by AD 93-01-24 take 
    approximately 564 work hours per airplane to accomplish, at an average 
    labor rate of $60 per work hour. Based on these figures, the cost 
    impact on U.S. operators of the actions required by AD 93-01-24 is 
    estimated to be $879,840, or $33,840 per airplane.
        Implementation of the inspections, repairs, and replacements 
    specified in Revision 2 of the SSID into an operator's maintenance 
    program is estimated to require approximately 597 work hours (including 
    removal, inspection, and installation work hours) per airplane per 
    year, at an average labor rate of $60 per
    
    [[Page 35123]]
    
    work hour. Based on these figures, the cost impact on U.S. operators of 
    the proposed requirements of this AD is estimated to be $931,320, or 
    $35,820 per airplane.
        The cost impact figures discussed above are based on assumptions 
    that no operator has yet accomplished any of the requirements of this 
    AD action, and that no operator would accomplish those actions in the 
    future if this AD were not adopted.
    
    Regulatory Impact
    
        The regulations adopted herein will not have substantial direct 
    effects on the States, on the relationship between the national 
    government and the States, or on the distribution of power and 
    responsibilities among the various levels of government. Therefore, in 
    accordance with Executive Order 12612, it is determined that this final 
    rule does not have sufficient federalism implications to warrant the 
    preparation of a Federalism Assessment.
        For the reasons discussed above, I certify that this action (1) is 
    not a ``significant regulatory action'' under Executive Order 12866; 
    (2) is not a ``significant rule'' under DOT Regulatory Policies and 
    Procedures (44 FR 11034, February 26, 1979); and (3) will not have a 
    significant economic impact, positive or negative, on a substantial 
    number of small entities under the criteria of the Regulatory 
    Flexibility Act. A final evaluation has been prepared for this action 
    and it is contained in the Rules Docket. A copy of it may be obtained 
    from the Rules Docket at the location provided under the caption 
    ADDRESSES.
    
    List of Subjects in 14 CFR Part 39
    
        Air transportation, Aircraft, Aviation safety, Incorporation by 
    reference, Safety.
    
    Adoption of the Amendment
    
        Accordingly, pursuant to the authority delegated to me by the 
    Administrator, the Federal Aviation Administration amends part 39 of 
    the Federal Aviation Regulations (14 CFR part 39) as follows:
    
    PART 39--AIRWORTHINESS DIRECTIVES
    
        1. The authority citation for part 39 continues to read as follows:
    
        Authority: 49 U.S.C. 106(g), 40113, 44701.
    
    
    Sec. 39.13  [Amended]
    
        2. Section 39.13 is amended by removing amendment 39-8478 (58 FR 
    6703, February 2, 1993), and by adding a new airworthiness directive 
    (AD), amendment 39-9679, to read as follows:
    
    96-13-11 Airbus Industries: Amendment 39-9679. Docket 94-NM-102-AD. 
    Supersedes AD 93-01-24, Amendment 39-8478.
        Applicability: All Model A300 B2-1A, B2-1C, B2K-3C, and B2-203 
    series airplanes, and Model A300 B4-2C, B4-103, and B4-203 series 
    airplanes; certificated in any category.
    
        Note 1: This AD applies to each airplane identified in the 
    preceding applicability provision, regardless of whether it has been 
    otherwise modified, altered, or repaired in the area subject to the 
    requirements of this AD. For airplanes that have been modified, 
    altered, or repaired so that the performance of the requirements of 
    this AD is affected, the owner/operator must request approval for an 
    alternative method of compliance in accordance with paragraph (m) of 
    this AD. The request should include an assessment of the effect of 
    the modification, alteration, or repair on the unsafe condition 
    addressed by this AD; and, if the unsafe condition has not been 
    eliminated, the request should include specific proposed actions to 
    address it.
    
        Compliance: Required as indicated, unless accomplished 
    previously.
        To prevent reduced structural integrity of these airplanes due 
    to fatigue cracking, accomplish the following:
        (a) Within one year after March 9, 1993 (the effective date of 
    AD 93-01-24, amendment 39-8478), incorporate a revision into the 
    FAA-approved maintenance inspection program that provides for 
    supplemental maintenance inspections, modifications, repair, or 
    replacement of the significant structural details (SSD) and 
    significant structural items (SSI) specified in ``Airbus Industrie 
    A300 Supplemental Structural Inspection Document'' (SSID), dated 
    September 1989 (hereafter referred to as ``the SSID'').
        (b) Within one year after the effective date of this AD, replace 
    the revision of the FAA-approved maintenance program required by 
    paragraph (a) of this AD with the inspections, inspection intervals, 
    repairs, and replacements defined in ``Airbus Industrie A300 
    Supplemental Structural Inspection Document'' (SSID), Revision 2, 
    dated June 1994 (hereafter referred to as ``Revision 2 of the 
    SSID''). Accomplish the actions specified in the service bulletins 
    identified in Section 6, ``SB Reference List,'' Revision 2 of the 
    SSID, at the times specified in those service bulletins. The actions 
    are to be accomplished in accordance with those service bulletins.
        (1) For airplanes that have exceeded the threshold specified in 
    any of the service bulletins identified in Section 6, ``SB Reference 
    List,'' Revision 2 of the SSID: Accomplish the actions specified in 
    those service bulletins within the grace period specified in that 
    service bulletin. The grace period is to be measured from the 
    effective date of this AD.
        (2) For airplanes that have exceeded the threshold specified in 
    any of the service bulletins identified in Section 6, ``SB Reference 
    List,'' Revision 2 of the SSID, and a grace period is not specified 
    in that service bulletin: Accomplish the actions specified in that 
    service bulletins within 1,500 flight cycles after the effective 
    date of this AD.
        (c) If any cracked structure is detected during the inspections 
    required by either paragraph (a) or (b) of this AD, prior to further 
    flight, permanently repair the cracked structure in accordance with 
    either paragraph (c)(1), (c)(2), or (c)(3) of this AD.
    
        Note 2: A permanent repair is defined as a repair that meets the 
    certification basis of the airplane, and does not require additional 
    modification at a later date.
    
        (1) The service bulletins listed in Section 6, ``SB Reference 
    List,'' of the SSID [for airplanes that are currently being 
    inspected in accordance with paragraph (a) of this AD]; or in 
    accordance with a method approved by the Manager, Standardization 
    Branch, ANM-113, FAA, Transport Airplane Directorate, if a permanent 
    repair is not specified in any of these service bulletins. Or
        (2) The service bulletins listed in Section 6, ``SB Reference 
    List,'' of Revision 2 of the SSID [for airplanes that are currently 
    being inspected in accordance with paragraph (b) of this AD]; or in 
    accordance with a method approved by the Manager, Standardization 
    Branch, ANM-113, if a permanent repair is not specified in any of 
    these service bulletins. Or
        (3) Other permanent repair data meeting the certification basis 
    of the airplane which is approved by the Manager, Standardization 
    Branch, ANM-113, or by the Direction Gonorale de l'Aviation Civile 
    (DGAC) of France.
        (d) For airplanes identified as Fleet Leader Program (FLP) in 
    Section 5, ``Fleet Leader Program,'' of the SSID or Revision 2 of 
    the SSID: Inspect according to the instructions and intervals 
    specified in paragraph 4.4, ``Adjustment of Inspection Requirements 
    and DSG,'' of Section 4, or Section 9, as applicable, of the SSID 
    [for airplanes inspected in accordance with paragraph (a) of this 
    AD], or Revision 2 of the SSID [for airplanes inspected in 
    accordance with paragraph (b) of this AD], for each SSD.
        (e) For the purpose of accomplishing paragraphs (d), (f), (g), 
    and (i) of this AD, operators shall not use paragraph 6.2, 
    ``Complete RR Method,'' of Section 9 of the SSID to calculate 
    inspection thresholds and intervals.
        (f) For Model A300-B2 and B2K-3C series airplanes: For any SSD 
    that has exceeded the values of the threshold specified in paragraph 
    6, ``Inspection Threshold and Intervals,'' Section 9 of the SSID, 
    inspect at the time specified in either paragraph (f)(1) or (f)(2) 
    of this AD, as applicable.
        (1) For airplanes inspected in accordance with paragraph (a) of 
    this AD: Inspect within 2,000 landings after March 9, 1993, in 
    accordance with the SSID. Or
        (2) For airplanes inspected in accordance with paragraph (b) of 
    this AD: Inspect within 2,000 landings after the effective date of 
    this AD, in accordance with Revision 2 of the SSID.
        (g) For Model A300-B4 series airplanes: For any SSD that has 
    exceeded the values of the threshold specified in paragraph 6, 
    ``Inspection Threshold and Intervals,'' Section 9 of the SSID, 
    inspect at the time specified in either paragraph (g)(1) or (g)(2) 
    of this AD, as applicable.
    
    [[Page 35124]]
    
        (1) For airplanes inspected in accordance with paragraph (a) of 
    this AD: Inspect within 1,500 landings after March 9, 1993 [the 
    effective date of AD 93-01-24, amendment 39-8478]. Or
        (2) For airplanes inspected in accordance with paragraph (b) of 
    this AD: Inspect within 1,500 landings after the effective date of 
    this AD.
        (h) For airplanes identified as FLP in Section 5, ``Fleet Leader 
    Program,'' of the SSID or Revision 2 of the SSID: Within one year 
    after the effective date of this AD, apply the basic requirements 
    given in Revision 2 of the SSID.
        (i) For airplanes that are subject to the requirements of 
    paragraph (b) of this AD, and have exceeded the initial inspection 
    threshold specified in paragraph 4.4, ``Adjustment of Inspection 
    Requirements and DSG,'' of Section 4, or paragraph 6, ``Inspection 
    Threshold and Intervals,'' of Section 9, for each SSD: Perform the 
    initial inspection prior to the accumulation of the number of flight 
    cycles specified in paragraph 7, ``Additional Information,'' Section 
    9, of Revision 2 of the SSID.
    
        Note 3: Fatigue ratings are not applicable to these allowances; 
    therefore, no adjustment is required.
    
        Note 4: Paragraph (i) of this AD provides the ``grace'' periods 
    for those airplanes that are new to the FLP or that have newly added 
    or revised SSID requirements in accordance with paragraph (b) of 
    this AD.
        (j) The grace period provided by paragraph (i) of this AD is 
    also applicable to the thresholds and/or repeat intervals for each 
    SSD for which the inspection interval or threshold was reduced in 
    accordance with the requirements of paragraph (b) of this AD.
        (k) For FLP airplanes identified in Section 5, ``Fleet Leader 
    Program,'' of the SSID or Revision 2 of the SSID that are listed in 
    Section 7, ``SSI Limitation List,'' of the SSID [for airplanes that 
    are currently being inspected in accordance with paragraph (a) of 
    this AD] , or Revision 2 of the SSID [for airplanes that are 
    currently being inspected in accordance with paragraph (b) of this 
    AD]: Inspect at intervals not to exceed the interval specified for 
    each SSI, in accordance with the values given in Section 7, ``SSI 
    Limitation List,'' of the SSID or Revision 2 of the SSID, as 
    applicable.
        (l) For all airplanes: All inspection results, positive or 
    negative, must be reported to Airbus Industrie in accordance with 
    either paragraph (l)(1) or (l)(2) of this AD, as applicable. 
    Information collection requirements contained in this regulation 
    have been approved by the Office of Management and Budget (OMB) 
    under the provisions of the Paperwork Reduction Act of 1980 (44 
    U.S.C. 3501 et seq.) and have been assigned OMB Control Number 2120-
    0056.
        (1) For FLP airplanes, identified in Section 5, ``Fleet Leader 
    Program,'' of the SSID or Revision 2 of the SSID: Submit reports in 
    accordance with the instructions in paragraph 5.2, ``SSIP Inspection 
    Reporting,'' of Section 5, and paragraph 7.1, ``General,'' of 
    Section 7 of the SSID [for airplanes that are currently being 
    inspected in accordance with paragraph (a) of this AD]; or Revision 
    2 of the SSID [for airplanes inspected in accordance with paragraph 
    (b) of this AD].
        (2) For all airplanes that are subject to Section 6, ``SB 
    Reference List,'' of the SSID: Submit reports in accordance with the 
    instructions in the applicable service bulletins identified in 
    Section 6 of the SSID [for airplanes that are currently being 
    inspected in accordance with paragraph (a) of this AD]; or Revision 
    2 of the SSID [for airplanes that are currently being inspected in 
    accordance with paragraph (b) of this AD].
        (m) An alternative method of compliance or adjustment of the 
    compliance time that provides an acceptable level of safety may be 
    used if approved by the Manager, Standardization Branch, ANM-113, 
    FAA, Transport Airplane Directorate. Operators shall submit their 
    requests through an appropriate FAA Principal Maintenance Inspector, 
    who may add comments and then send it to the Manager, 
    Standardization Branch, ANM-113.
    
        Note 5: Information concerning the existence of approved 
    alternative methods of compliance with this AD, if any, may be 
    obtained from the Standardization Branch, ANM-113.
    
        Note 6: Alternative methods of compliance previously granted for 
    AD 93-01-24, amendment 39-8478, continue to be considered as 
    acceptable alternative methods of compliance with this amendment.
    
        (n) Special flight permits may be issued in accordance with 
    sections 21.197 and 21.199 of the Federal Aviation Regulations (14 
    CFR 21.197 and 21.199) to operate the airplane to a location where 
    the requirements of this AD can be accomplished.
        (o) The actions shall be done in accordance with Airbus 
    Industrie Supplemental Structural Inspection Document (SSID), dated 
    September 1989; or Airbus Industrie A300 SSID, Revision 2, dated 
    June 1994, as applicable. Airbus Industrie A300 SSID, Revision 2, 
    dated June 1994, contains the following list of effective pages:
    
    ------------------------------------------------------------------------
                                        Revision level                      
                Page No.                shown on page     Date shown on page
    ------------------------------------------------------------------------
    Record of revision..............  2................  Jun 94             
    Section 0:                                                              
        O-LEP 1.....................  2................  Jun 94.            
        O-TOC 1.....................  2................  Jun 94.            
    Section 1:                                                              
        1-LEP 1.....................  2................  Jun 94.            
        1-TOC 1.....................  1................  Mar 93.            
        1...........................  1................  Mar 93.            
        2, 3........................  2................  Jun 94.            
    Section 2:                                                              
        2-LEP 1.....................  2................  Jun 94.            
        2-TOC 1.....................  1................  Mar 93.            
        1, 2........................  1................  Mar 93.            
        3...........................  2................  Jun 94.            
    Section 3:                                                              
        3-LEP 1.....................  2................  Jun 94.            
        3-TOC 1.....................  2................  Jun 94.            
        1, 2........................  2................  Jun 94.            
    Section 4:                                                              
        4-LEP 1.....................  1................  Mar 93.            
        4-TOC 1.....................  1................  Mar 93.            
        1-3, 7-9, 11-16, 19, 24-38,   1................  Mar 93.            
         40-46.                                                             
        4-6, 10, 17, 18, 20-23, 39..  0................  Sep 89.            
    Section 5:                                                              
        5-LEP 1.....................  2................  Jun 94.            
        5-TOC 1.....................  2................  Jun 94.            
        1-48........................  2................  Jun 94.            
    Section 6:                                                              
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        6-TOC 1.....................  1................  Mar 93.            
        1...........................  1................  Mar 93.            
        2-4.........................  2................  Jun 94.            
    Section 7:                                                              
        7-LEP 1.....................  1................  Mar 93.            
        7-TOC 1.....................  1................  Mar 93.            
        1-10........................  1................  Mar 93.            
    Section 8:                                                              
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        8-TOC 1.....................  1................  Mar 93.            
        1-5.........................  1................  Mar 93.            
    Section 9:                                                              
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        9-LEP 7-9...................  2................  Jun 94.            
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    536599/1........................  0................  Sep 89.            
    536599/2........................  1................  Mar 93.            
    536599/3-6......................  2................  Jun 94.            
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    536651/1, 2.....................  0................  Sep 89.            
    536651/3, 4.....................  1................  Mar 93.            
    536651/5........................  2................  Jun 94.            
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    536652/5........................  2................  Jun 94.            
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    546001/4........................  2................  Jun 94.            
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    556002/1........................  0................  Sep 89.            
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    576068/1-3......................  2................  Jun 94.            
    576070/1-7......................  2................  Jun 94.            
    ------------------------------------------------------------------------
    
    
        This incorporation by reference of Airbus Industrie SSID, dated 
    September 1989, was approved by the Director of the Federal Register 
    in accordance with 5 U.S.C. 552(a) and 1 CFR part 51, as of March 9, 
    1993 (58 FR 6703, February 2, 1993). The incorporation by reference 
    of Airbus Industrie SSID, Revision 2, dated June 1994, is approved 
    by the Director of the Federal Register in accordance with 5 U.S.C. 
    552(a) and 1 CFR part 51. Copies may be obtained from Airbus 
    Industrie, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, 
    France. Copies may be inspected at the FAA, Transport Airplane 
    Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the 
    Office of the Federal Register, 800 North Capitol Street, NW., suite 
    700, Washington, DC.
    
        (p) This amendment becomes effective on August 9, 1996.
    
        Issued in Renton, Washington, on June 17, 1996.
    Darrell M. Pederson,
    Acting Manager, Transport Airplane Directorate, Aircraft Certification 
    Service.
    [FR Doc. 96-15953 Filed 7-3-96; 8:45 am]
    BILLING CODE 4910-13-U
    
    
    

Document Information

Effective Date:
8/9/1996
Published:
07/05/1996
Department:
Federal Aviation Administration
Entry Type:
Rule
Action:
Final rule.
Document Number:
96-15953
Dates:
Effective August 9, 1996.
Pages:
35122-35125 (4 pages)
Docket Numbers:
Docket No. 94-NM-102-AD, Amendment 39-9679, AD 96-13-11
RINs:
2120-AA64: Airworthiness Directives
RIN Links:
https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives
PDF File:
96-15953.pdf
CFR: (1)
14 CFR 39.13