COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Mooney M20 Series Aeroplanes
AD/M20/24
Amdt 2
Main Spar 11/95
Applicability: All models except M20J and subsequent, which have exceeded 5 years time in service.
Requirement: Drain the fuel tanks, remove the fuel tank inspection panels, and inspect the main spar structure for signs of corrosion particularly in the area of the web stiffeners.
Compliance: Before 30 September 1976, and thereafter at intervals not to exceed 3 calendar years.
The Compliance of the initial issue of this Directive remains unchanged. This Amendment is effective from 12 October 1995.
Background: The investigation of a fuel leak in a local aircraft revealed a severely corroded main spar web.
Amendment 1 excluded J and K models from applicability. These models are a later build standard and no reports of spar corrosion have been received.
Amendment 2 is issued to expand applicability to exclude all later models.