Document ID: chunk:federal_register_of_legislation:F2006B02970:body:0
Version: federal_register_of_legislation:F2006B02970
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Boeing 737 Series Aeroplanes

AD/B737/7 Fuselage Frames Adjacent to Forward Airstair 8/85

 Applicability: All model 737 aircraft, Line Numbers 1 to 880.

             Requirement: 1. FAA AD 85-01-06, Amendment 39-4982, up to and including Section F, but excluding Section E.

 2. Boeing SB 737-53A1064, Revision 3. Compliance: As detailed in Requirement Document No 1.
            Background: There have been numerous reports of cracking in the fuselage frames adjacent to the forward airstair doorway cut-out. Cracking of the frames and door cut-out internal doubler could result in a sudden loss of cabin pressure, and possibly blowout of the airstair door.