AD/S-76/53 - Doors - Window Frame
1AD/S-76/53 - Doors - Window Frame
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Sikorsky S-76 Series Helicopters
AD/S-76/53 Doors - Window Frame 11/88
Applicability: All S-76A and S-76B series aircraft.
Requirement: Action in accordance with Sikorsky Alert Service Bulletin 76-52-12. Compliance: Prior to issue of the next Maintenance Release after 3 November 1988.
Background: There have been cases of the screws and/or rivets securing the mounts for the window trim scoring the upper door lock control rod.