Commonwealth legislation

AD/AL 250/73 Amdt 2 - Bendix Power Turbine Governor

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of Allison 250‑C20 and C20R engines fitted with Bendix fuel control (unless they've incorporated specific Allison service bulletins) to inspect the power turbine governor Py‑port boss every 1,000 flight hours, effective 13 June 2002. The Civil Aviation Safety Authority delegate issues the AD; operators pay for inspections and any repairs. Installing Allison Alert Service Bulletin CEB‑A‑1289 or CEB‑A‑73‑4015 ends the recurring inspection requirement.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/AL 250/73 Amdt 2 - Bendix Power Turbine Governor.

AD/AL 250/73 Amdt 2 - Bendix Power Turbine Governor

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source

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.

Allison Turbine Engines - 250 Series

AD/AL 250/73

Amdt 2

Bendix Power Turbine Governor 6/2002

Applicability: Allison 250-C20 and C20R series equipped with Bendix fuel control systems not incorporating Allison Alert Service Bulletin CEB-A-1289 or CEB-A-73-4015.

Requirement: Inspect power turbine governor Py port boss in accordance with Allison Alert Service Bulletin 250-C20 CEB-A-1281 Revision 2 or 250-C20R CEB-A-73-4012 Revision 2.

Note: Incorporation of Allison Alert Service Bulletin CEB-A-1289 or CEB-A-73- 4015 will provide terminating action for this Directive.

Compliance: Effective 13 June 2002 at intervals not exceeding 1000 flight hours.

This Airworthiness Directive becomes effective on 13 June 2002.

Background: The original Directive was issued to carry out the inspection as listed in the reference documents on 13 July 1989. This amendment changes the applicability to reflect a terminating action covered by Allison Alert Service Bulletin CEB-A-1289 or CEB-A- 73-4015.

View image in the official source

James Coyne

Delegate of the Civil Aviation Safety Authority 1 May 2002

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 22 May 2002.

Page 1 of 1

Source text

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

1 AD/AL 250/73 Amdt 2 - Bendix Power Turbine Governor

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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.

Allison Turbine Engines - 250 Series

AD/AL 250/73

Amdt 2

Bendix Power Turbine Governor 6/2002

Applicability: Allison 250-C20 and C20R series equipped with Bendix fuel control systems not incorporating Allison Alert Service Bulletin CEB-A-1289 or CEB-A-73-4015.

Requirement: Inspect power turbine governor Py port boss in accordance with Allison Alert Service Bulletin 250-C20 CEB-A-1281 Revision 2 or 250-C20R CEB-A-73-4012 Revision 2.

Note: Incorporation of Allison Alert Service Bulletin CEB-A-1289 or CEB-A-73- 4015 will provide terminating action for this Directive.

Compliance: Effective 13 June 2002 at intervals not exceeding 1000 flight hours.

This Airworthiness Directive becomes effective on 13 June 2002.

James Coyne

Delegate of the Civil Aviation Safety Authority 1 May 2002

The above AD is notified in the Commonwealth of Australia Gazette on 22 May 2002.

Page 1 of 1