AD/AC/82 - Engine Isolator Assembly- Inspection and/or Replacement
1AD/AC/82 - Engine Isolator Assembly- Inspection and/or Replacement
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes
AD/AC/82 Engine Isolator Assembly- Inspection
and/or Replacement
8/84
Applicability: 1. Models 690 and 690A, with S/Nos. 11001 to 11284 which have had engine isolator assemblies replaced after 28 July 1975.
- Model 690A with S/Nos. 11285 to 11344, Model 690B with S/Nos. 11350 to 11566, Model 690C with S/Nos. 11600 to 11732, Model 690D with S/Nos. 15001 to 15033 and 15037, Model 695 with S/Nos. 95000 to 95084 & Model 695A with S/Nos. 96001 to 96061, 96063 to 96072, 96075, 96078, 96085 and 96088.
Requirement: Gulfstream Aerospace S.B. No. 201.
Compliance: Within 10 hours’ time in service after 9 July 1984, as detailed in Requirement Document.
Background: Some Barry Wright Corp. engine isolator assemblies have a manufacturing defect which could prevent proper bolt preload and result in premature fatigue fracture of the isolator assembly thru-bolt.