Commonwealth legislation

AD/HS 125/162 - Turbine Air Discharge Duct

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Requires operators of BAe 125 series 1000A/1000B and Hawker 1000 aircraft to inspect the turbine air discharge duct per Raytheon Service Bulletin SB 21-3108: a general visual inspection within 25 hours time-in-service and a detailed inspection within 300 flight hours or six months. The Directive responds to instances where the duct or water separator separated and caused in‑flight cabin decompression. Operators are responsible for carrying out and funding the inspections and must follow the specified accomplishment instructions.

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Current sections

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AIRWORTHINESS DIRECTIVE

View image in the official source

View image in the official source
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 CAR 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.

AD/HS 125/162 Turbine Air Discharge Duct

AD/HS 125/162 Turbine Air Discharge Duct 7/2000

Applicability: All model BAe 125 series 1000A, 1000B and model Hawker 1000 series aircraft.

Requirement: 1. Perform a general visual inspection of the turbine air discharge duct in accordance with Accomplishment Instructions Part I of Raytheon Service Bulletin SB 21-3108 dated November 1998.

Carry out a detailed inspection of the turbine air discharge duct in accordance with Accomplishment Instructions Part II of Raytheon Service Bulletin SB 21-3108 dated November 1998.

Note: FAA AD 2000-01-02 Amendment 39-11499 refers.

Compliance: 1. Within 25 hours time in service after the effective date of this Directive.

Within 300 flight hours or 6 months time in service, whichever occurs first, after the effective date of this Directive.

This Airworthiness Directive becomes effective on 13 July 2000.

Background: Separation of the cold air discharge duct and/or water separator have occurred and resulted in an in-flight cabin de-pressurisation.

View image in the official source

Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 31 May 2000

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 14 June 2000.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

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 CAR 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.

AD/HS 125/162 Turbine Air Discharge Duct AD/HS 125/162 Turbine Air Discharge Duct 7/2000

AD/HS 125/162 Turbine Air Discharge Duct 7/2000

Applicability: All model BAe 125 series 1000A, 1000B and model Hawker 1000 series aircraft.

Carry out a detailed inspection of the turbine air discharge duct in accordance with Accomplishment Instructions Part II of Raytheon Service Bulletin SB 21-3108 dated November 1998.

Note: FAA AD 2000-01-02 Amendment 39-11499 refers.

Compliance: 1. Within 25 hours time in service after the effective date of this Directive.

Within 300 flight hours or 6 months time in service, whichever occurs first, after the effective date of this Directive.

This Airworthiness Directive becomes effective on 13 July 2000.

Background: Separation of the cold air discharge duct and/or water separator have occurred and resulted in an in-flight cabin de-pressurisation.

Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 31 May 2000

The above AD is notified in the Commonwealth of Australia Gazette on 14 June 2000.