COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Mitsubishi MU-2 Series Aeroplanes
AD/MU-2/27 Engine Control System Cable Pulleys - Replacement 12/83
Applicability: MU-2B-25/-26A If any MS20219-3 pulleys on the engine control system have been replaced. S/N 313SA & 32ISA MU-2B-26/-26A/-40. S/N 348SA thru 448SA. MU-
2B-35/-36A/-60 If any MS20219-3 pulleys on the engine control system have been replaced. S/N 652SA, 661SA, 697SA thru 710SA MU-2B-36A/-60 S/N 711SA thru 799SA and 1501SA thru 1529SA.
Document: Mitsubishi SB No. 035/27-006
Compliance: Unless already accomplished within 100 hrs time in service after 30 November 1983.
Background: The manufacturer advises that cracks have occurred in a batch of engine control pulleys’ manufactured in 1975 by the Tansey Co., or Arvan Inc. Regardless of condition, these pulleys must be replaced.