FedEx Express

Document ID: FAA-2012-0859-0008
Document Type: Public Submission
Agency: Federal Aviation Administration
Received Date: October 09 2012, at 12:00 AM Eastern Daylight Time
Date Posted: October 9 2012, at 12:00 AM Eastern Standard Time
Comment Start Date: August 27 2012, at 12:00 AM Eastern Standard Time
Comment Due Date: October 11 2012, at 11:59 PM Eastern Standard Time
Tracking Number: 1jw-81ag-jljp
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This is comment on Proposed Rule

Airworthiness Directives: The Boeing Company Airplanes; Rescission

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Dear Sir or Madam, In response to Notice of Proposed Rulemaking, Directorate Identifier 2012–NM–090–AD, FedEx Express offers the following comments: 1. The new unsafe condition introduced by the new actuator part number MA30A1001 has not been explained. FedEx requests a more specific and detailed explanation of the new unsafe condition caused by the new installed actuator. 2. If the existing AD 2008-06-03 is rescinded prior to the completion of the AD and before a new solution is introduced, can FedEx continue replacing actuator part number MA20A1001-1 with actuator part number MA30A1001 or should FedEx stop all together installing the new actuator? 3. Is there a specific serial number group that is declared unsafe within the new actuator part number MA30A1001? Has serial number group “–D” for the actuator part number MA30A1001 been reviewed and deemed as safe? FedEx is requesting clearer direction of the proposed AD. Sincerely, Yasir Jamal Aircraft Systems Engineering FedEx Express E-mail: yjamal@fedex.com