Commonwealth legislation

AD/B727/105 Amdt 1 - Take-Off Warning

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive covers all Boeing 727 aircraft and requires operators to ensure the take‑off configuration warning system is working. Operators must either follow FAA AD 88‑22‑09 or, if the aeroplane has Aural Warning Module P/N 69‑78214‑1, carry out operational checks per Boeing Service Letter 727‑SL‑31‑009. The AD fixes inspection routines and sets repeating intervals (200 hours for the FAA‑AD method; 500 hours for the alternate module check).

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AD/B727/105 Amdt 1 - Take-Off Warning

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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 Boeing 727 Series Aeroplanes

AD/B727/105

Amdt 1

Applicability: All model 727 aircraft. Requirement: Either:

Take-Off Warning 6/96

Action in accordance with FAA AD 88-22-09 Amdt 39-6054; or

2. Where a Take-off Configuration Warning System (TOCWS) Aural Warning Module part number 69-78214-1 is installed on the aeroplane, perform an operational and functional check of the TOCWS in accordance with Boeing Service Letter 727-SL-31-009 dated 31 May 1995.

Compliance: For Requirement 1 - This compliance remains unchanged as `Within 200 hours time in service from 9 December 1988 and thereafter at intervals not exceeding 200 hours time in service'.

For Requirement 2 - Effective 23 May 1996, initially within 500 hours time in service from a check in accordance with Requirement 1 and thereafter at intervals not to exceed 500 hours time in service.

Background: A significant number of take-off configuration warning systems were discovered to be inoperative during a one-time inspection of all Boeing 727 aircraft. This amendment introduces an alternate method of compliance, with an extension of the repetitive check period.

Source text

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