Commonwealth legislation

AD/CESSNA 120/5 - Fuselage Rear Bulkhead

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Commonwealth

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legislative instrument

Plain English Summary

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Requires owners/operators of Cessna 120 and 140 aeroplanes (serial numbers up to and including 14289) to inspect the lower right corner of the fuselage rear bulkhead cut‑out for cracks and, if cracks are found, to install a new-type bulkhead with a reinforcement channel per Cessna Drawing No. 0412169. Inspections must occur within 100 flight hours or 12 months after 15 May 2003, then every 100 hours until the bulkhead is reinforced; owners/operators bear inspection and replacement costs and must comply with CASA’s directive.

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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 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.

Cessna 120 and 140 Series Aeroplanes

AD/CESSNA 120/5 Fuselage Rear Bulkhead 5

AD/CESSNA 120/5 Fuselage Rear Bulkhead 5/2003

Applicability: Model 120 and 140 aircraft, with serial numbers up to and including 14289.

Requirement: Inspect the lower right hand corner of the cut-out in the fuselage rear bulkhead for cracks, which usually extend down to the rivet holes at the nearest anchor nut.

If cracks are found, before further flight, install the new type bulkhead with reinforcement channel added in accordance with Cessna Drawing No. 0412169.

Note: FAA AD 47-50-02 and Cessna Service Letter No. 46 refer.

Compliance: Within 100 hours time in service or 12 months after 15 May 2003, whichever occurs first, and thereafter at intervals not to exceed 100 hours time in service; until the fuselage rear bulkhead (tail post) has been reinforced.

This Airworthiness Directive becomes effective on 15 May 2003.

Background: The FAA requires inspection of the fuselage rear bulkhead until modified.

View image in the official source

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 4 April 2003

View image in the official source

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 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.

Cessna 120 and 140 Series Aeroplanes

AD/CESSNA 120/5 Fuselage Rear Bulkhead 5 AD/CESSNA 120/5 Fuselage Rear Bulkhead 5/2003

AD/CESSNA 120/5 Fuselage Rear Bulkhead 5/2003

Applicability: Model 120 and 140 aircraft, with serial numbers up to and including 14289.

Requirement: Inspect the lower right hand corner of the cut-out in the fuselage rear bulkhead for cracks, which usually extend down to the rivet holes at the nearest anchor nut.

If cracks are found, before further flight, install the new type bulkhead with reinforcement channel added in accordance with Cessna Drawing No. 0412169.

Note: FAA AD 47-50-02 and Cessna Service Letter No. 46 refer.

This Airworthiness Directive becomes effective on 15 May 2003.

Background: The FAA requires inspection of the fuselage rear bulkhead until modified.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 4 April 2003