Air France

TO: FAA DOCKET DATE: 14 APR 2008 SUBJECT: NPRM WINDOW B757, B767 and B777 Left and Right Flight deck Window 1 Proposed Rule Docket No. FAA - 2008-0274 Directorate Identifier 2008-NM-038-AD, March 13, 2008 REFERENCES: SB 777-30-0012 Number 1 Left and Right Window Repl. And Wire Change SL 777-SL-56-005 - Number 1 Flight Deck Window Heat terminal Block repl. AIRLINE MAINTENANCE INSPECTION INTERVALS D6-26100 SUBJECT: The following is Air France response to the notification of Notice of Proposed Rulemaking (NPRM) Directorate Identifier 2008-NM-038-AD, March 13, 2008 This proposed AD would require repetitive inspections for damage of the electrical terminal at the left and right flightdeck window 1, and corrective actions if necessary. COMMENTS RELATED TO THE PROPSED AD: As the inspections can bring us to window 1 replacement, we would wish that the intervals of inspections match with the Maintenance Checks. According to AIRLINE MAINTENANCE INSPECTION INTERVALS D6-26100 , many airlines have their Maintenance Checks already below the intervals proposed ( 500 FH and 6000 FH ). CONCLUSION: 1- For airplanes on which a corrective action--either replacement with a new window 1 that uses screws and lugs for the electrical connections, or tightening a loose screw--is done in accordance with Work Package 1 or 2 of the service bulletin: Air France feels that the detailed inspections for damage of electrical terminal ( J5 terminal ) should matched with Line Maintenance Check. Air France proposes to do the inspection at intervals not to exceed 850 flight hours ( instead 500 flight hours ). 2- Air France feels that the repetitive interval to detailed inspections for damage of electrical terminal ( J5 terminal ) should matched with Light Maintenance Check. Air France proposes to do the repeat the inspection at intervals not to exceed 7,800 flight hours ( instead 6.000 flight hours ).