Commonwealth legislation

AD/TB10/13 - Aircraft Wiring/Support Bracket Clearance

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

1/10 complexity

What this is: A safety instruction (called an Airworthiness Directive) for owners and operators of specific light aircraft—the Socata TB10 model.

The problem: A metal bracket behind the left-hand firewall door (the wall between the engine and cockpit) was found rubbing against electrical wires. In one reported case, this friction wore through three live wires, creating a serious fire and electrical failure risk.

What you must do:

Inspect the terminal block support bracket (part number TB10-23-020-104) behind the left firewall door
Check that there is adequate clearance between the bracket's folded edge and the nearby terminal board wiring
Modify the aircraft if the bracket is too close to the wires (for example, by repositioning the bracket or adding protective shielding)

Who it affects: Anyone operating a Socata TB10 aeroplane.

Deadline: Complete the inspection (and any necessary repairs) within 100 hours of flight time after 22 February 1990.

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Current sections

Direct links to the current provisions in AD/TB10/13 - Aircraft Wiring/Support Bracket Clearance.

AD/TB10/13 - Aircraft Wiring/Support Bracket Clearance

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Aerospatiale (Socata) TB9 and TB10 (Tobago) Series Aeroplanes

AD/TB10/13 Aircraft Wiring/Support Bracket Clearance 2/90

Applicability: All Socata TB10 aircraft.

Requirement: Inspect the aircraft to ensure that adequate clearance exists between the folded edge of the terminal block support bracket behind the LH firewall door (assy P/N TB10- 23-020-104) and the adjacent terminal board wiring. Modify aircraft if necessary.

Compliance: Within 100 hours time in service after 22 February 1990.

Background: One instance has been reported where the terminal block support bracket behind the LH firewall door chaffed through 3 live wires of the adjacent terminal board wiring.

It is considered that this condition could exist on other aircraft of this type. Therefore, to prevent a potentially serious situation, inspection (and modification as necessary) is required.

Source text

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

1 AD/TB10/13 - Aircraft Wiring/Support Bracket Clearance