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 250/56
Amdt 1
Engine Quick Disconnect Magnetic Plugs - Inspection of Lockpins and Slots for Wear
7/85
Applicability: Allison 250 Series engines fitted with quick disconnect magnetic plugs.
Requirement: Allison 250-C18
Allison 250-C20, C20B, C20F, C20J
Allison 250-B15GTP
Allison 250-B17, B17B, B17CTP Allison 250-C28B, C28C
CEB-A-233 Rev.1 CEB-A-1211 Rev.1 CEB-A-103 Rev.1 CEB-A-11172 Rev.1 CEB-A-72-2092 Rev.1
Compliance: In accordance with the Requirement Document.
Background: This Directive is amended to reflect Revision 1 of the manufacturers document which requires an operational check on magnetic plugs to ensure proper function.