AD/BEA 121/24 - Fuselage Angle, Diaphragm and Flange at Tailplane Spar Attachments
1AD/BEA 121/24 - Fuselage Angle, Diaphragm and Flange at Tailplane Spar Attachments
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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 Beagle B121 (Pup) Series Aeroplanes
AD/BEA 121/24 Fuselage Angle, Diaphragm and Flange
at Tailplane Spar Attachments
7/84
Applicability: All B121 series 1, 2 and 3 aeroplanes which have exceeded 2450 hours time in service.
Requirement: Action in accordance with British Aerospace (Scottish Division) SB No. B121/86.
Compliance: Within 50 hours time in service after 8 June 1984 and thereafter a intervals not exceeding 50 hours time in service.
Background: The manufacturer reports that cases of rear fuselage cracks in the area of the tailplane attachment have been discovered in service.