Commonwealth legislation

AD/TB20/2 - Landing Gear Micro Switches - Adjustment

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD mandates adjustment of landing‑gear micro‑switches on TB20 (Trinidad) aeroplanes with serial numbers up to 459, to be done per Socata Technical/Service Bulletin No. 23 within 50 flight hours after 31 March 1985. It compels owners/operators and maintenance organisations to follow the SB (at their cost) to reduce the risk of inadvertent undercarriage collapse.

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Direct links to the current provisions in AD/TB20/2 - Landing Gear Micro Switches - Adjustment.

AD/TB20/2 - Landing Gear Micro Switches - Adjustment

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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/TB20/2 Landing Gear Micro Switches - Adjustment 3/85

Applicability: All model TB20 with S/Nos up to and including 459.

Requirement: Adjust the undercarriage micro switches according to the requirements contained in Socata TB SB No 23.

Note: French AD 85-4(A) refers.

Compliance: Within 50 hours time in service after 31 March 1985.

Background: Compliance with this Directive will minimise the possibility of inadvertent undercarriage collapse.

Source text

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