COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Allison Turbine Engines - 250 Series
AD/AL 250/33 Fourth Stage Compressor Wheel - Retirement 5/79
Applicability: All 250-C18 and 250-B15G series fitted with compressor wheels P/N 6856754 or 6871444.
Document: 1. Allison 250-C18 CSL-96; or
2. Allison B15G TP CSL-36.
Compliance: Within 100 hours’ time in service after 31 May 1979.