AD/DHA-3/28 - Centre Section Main Spar Upper Boom Attach Fitting - Inspection
1AD/DHA-3/28 - Centre Section Main Spar Upper Boom Attach 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 DHA-3 (Drover) Series Aeroplanes
AD/DHA-3/28 Centre Section Main Spar Upper Boom
Attach Fitting - Inspection
3/74
Applicability: All models.
Requirement: Visually inspect the visible spaces of the centre section main spar upper boom LH and RH wing attach fitting for cracks, particularly for those which may originate at the bushing holes of the front and rear lugs.
Compliance: Before 1 May 1974, and thereafter at intervals not exceeding 1 year.