Commonwealth legislation

AD/HS 125/171 - Engine Fire Extinguishing Wiring

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Commonwealth

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legislative instrument

Plain English Summary

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The directive requires operators of specified BAe 125 / Hawker 800 series aeroplanes to test the engine fire‑extinguishing wiring, install new marker bands, and correct any miswired connectors in accordance with Raytheon Service Bulletin SB 26‑3610 Revision 1. CASA says the measure corrects an identified unsafe condition. Operators pay for inspections and repairs; the work must be done within 70 flight hours or 30 days and any corrections must be completed before further flight, which may cause short‑term maintenance downtime.

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AIRWORTHINESS DIRECTIVE

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AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

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British Aerospace BAe 125 Series Aeroplanes

AD/HS 125/171 Engine Fire Extinguishing

AD/HS 125/171 Engine Fire Extinguishing Wiring 8/2004

Applicability: Model BAe.125 series 800A (including C-29A and U- 125 variant) and 800B aeroplanes and Model Hawker 800 (including U- 125A variant) and 800XP aeroplanes, as listed in Raytheon Service Bulletin SB 26-3610, Revision 1, dated September 2003.

Requirement: 1. Carry out the following in accordance with the Accomplishment Instructions of SB 26-3610, Revision 1:

Perform a functional test of the engine fire extinguishing wiring for appropriate installation and verify the correct wiring connector installation, and

b. Install the new marker bands.

2. If any connector is found wired incorrectly during the Requirement 1 verification, correct the wiring.

Note: FAA AD 2004-11-01 Amdt 39-13646 refers.

Compliance: For Requirement 1 - Within 70 hours time in service or 30 days after the effective date of this Directive, whichever occurs first.

For Requirement 2 - Prior to further flight after Requirement 1 is accomplished. This Airworthiness Directive becomes effective on 7 July 2004.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

British Aerospace BAe 125 Series Aeroplanes

AD/HS 125/171 Engine Fire Extinguishing AD/HS 125/171 Engine Fire Extinguishing Wiring 8/2004

AD/HS 125/171 Engine Fire Extinguishing Wiring 8/2004

Requirement: 1. Carry out the following in accordance with the Accomplishment Instructions of SB 26-3610, Revision 1:

Perform a functional test of the engine fire extinguishing wiring for appropriate installation and verify the correct wiring connector installation, and

b. Install the new marker bands.

2. If any connector is found wired incorrectly during the Requirement 1 verification, correct the wiring.

Note: FAA AD 2004-11-01 Amdt 39-13646 refers.

Compliance: For Requirement 1 - Within 70 hours time in service or 30 days after the effective date of this Directive, whichever occurs first.

For Requirement 2 - Prior to further flight after Requirement 1 is accomplished. This Airworthiness Directive becomes effective on 7 July 2004.