AD/F27/81 - Engine Mount Tubes - Inspection
1AD/F27/81 - Engine Mount Tubes - Inspection
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Fokker F27 Series Aeroplanes
AD/F27/81 Engine Mount Tubes - Inspection 12/73
Applicability: All model F27 on which engine mount P/N 27.1-8101-000-403 with S/Nos. 590 to 725 have been installed.
Requirement: 1. Inspect referenced engine mount tubes in accordance with Fokker F27 SB F27/71- 25 for cracks using the radiographic technique as detailed; or
- Inspect the engine mount tubes detailed in Fokker F27 SB F27/71-25, for cracks using an alternative non destructive technique approved by the Secretary.
Compliance: Within 500 hours time in service after 31 December 1973 and there-after at intervals not exceeding 1 year.