AD/B747/18 - Lower Cargo Doorway Lower Sill Truss and Latch Support Fitting - Inspection
1AD/B747/18 - Lower Cargo Doorway Lower Sill Truss and Latch Support Fitting - Inspection
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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 Boeing 747 Series Aeroplanes
AD/B747/18 Lower Cargo Doorway Lower Sill Truss
and Latch Support Fitting - Inspection
11/79
Applicability: All models.
Document: 1. FAA AD 79-17-02, Amdt. 39-3526;
- (Boeing SB 747-53-2200 refers). Compliance: As per requirement document No. 1.
Background: Overseas it has been found that the 7079-T6 truss and related 7079-T6 latch support fittings on the lower sill of forward and lower cargo doorways can exhibit corrosion, cracking and blocked drainage paths.