COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Short SD3-60 Series Aeroplanes
AD/SD3-60/37 Horizontal Stabiliser Attachment Lugs 6/93
Applicability: All SD3-60 aircraft with tailplanes which have accumulated 20,000 or more flights.
Requirement: Modify the aircraft and ultrasonically inspect the forward and aft tailplane attachment lugs, upper and lower surfaces, in accordance with SB SD360-55-19.
Note: SB SD360-55-19 has been classified mandatory by the UK CAA.
Compliance: Before 29 July 1993. Reinspect at intervals of not more than 4000 flights.
Background: The manufacturer has determined by continued testing that additional inspections are required on the horizontal stabiliser attachment lugs.