Commonwealth legislation

AD/BELL 204/38 - Tail Rotor Driveshaft Hangar Bearings

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires operators of Bell Model 204B helicopters to carry out the inspection/maintenance actions set out in FAA AD 92-13-10 for tail-rotor driveshaft hangar bearings, and to do so before the next flight (Applicability; Requirement; Compliance). CASA issued the directive under CAR 1998 subreg 39.1(1) in response to contaminated bearings found after a Bell 412 accident; operators therefore incur immediate parts, inspection and downtime costs (Preamble; Background).

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Direct links to the current provisions in AD/BELL 204/38 - Tail Rotor Driveshaft Hangar Bearings.

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/BELL 204/38 Tail Rotor Driveshaft Han

AD/BELL 204/38 Tail Rotor Driveshaft Hangar Bearings 8/2000

Applicability: Model 204B.

Requirement: Action in accordance with the technical requirements of FAA AD 92-13-10.

Compliance: Before further flight after the effective date of this directive.

This Airworthiness Directive becomes effective on 10 August 2000.

Background: Following the loss of a Bell model 412 it was discovered that certain batch/s of bearings had been contaminated during manufacture. This directive is issued to preclude any of those bearings re-entering service in an Australian helicopter. It also follows the re-introduction of the AD Series after sixteen years.

View image in the official source

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 6 July 2000

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 12 July 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/BELL 204/38 Tail Rotor Driveshaft Han AD/BELL 204/38 Tail Rotor Driveshaft Hangar Bearings 8/2000

AD/BELL 204/38 Tail Rotor Driveshaft Hangar Bearings 8/2000

Applicability: Model 204B.

Requirement: Action in accordance with the technical requirements of FAA AD 92-13-10.

Compliance: Before further flight after the effective date of this directive.

This Airworthiness Directive becomes effective on 10 August 2000.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 6 July 2000

The above AD is notified in the Commonwealth of Australia Gazette on 12 July 2000.