Commonwealth legislation

AD/TB20/1 - Engine Mount - Inspection/Replacement

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This urgent safety order affects owners/operators of Aerospatiale TB20 Trinidad aircraft serials 339, 355, 358, 360, 379, 380, 384, 385, and 386. You must inspect engine mount part TB20.51.000.001 and, if its serial is 37, 38, 39, 40, 47, 43, 51, 50, or 45, replace it with a mount made of the correct 15CDV6 steel before the aircraft flies (aircraft grounded until done). The mounts were made from the wrong steel and could fail, risking engine separation.

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AD/TB20/1 - Engine Mount - Inspection/Replacement

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes

AD/TB20/1 Engine Mount - Inspection/Replacement 9/84

Applicability: To model TB20 with S/Nos. 339, 355, 358, 360, 379, 380, 384, 385 and 386. Requirement: a. Inspect engine mount P/No. TB20.51.000.001 for the following S/Nos. 37, 38, 39,

40, 47, 43, 51, 50 and 45.

b. Replace any of the above and install an engine mount P/No. TB20.51.000.001 made of 15CDV6 steel not bearing one of the above numbers.

Note: Aerospatiale SB No. 20 GR 71-09 refers.

Compliance: Before further flight.

Background: The manufacturer reports that the subject engine mounts were manufactured from an incorrect specification steel.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.