Commonwealth legislation

AD/A109/33 - Main Rotor Blade Tip Cap - 2

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Mandates inspections of certain Agusta A109E main rotor blade tip caps per the manufacturer’s service bulletin, with an initial check within 10 flight hours of 17 April 2003 and recurring inspections no more than every 25 flight hours. It affects operators of A109E helicopters fitted with the listed blade part and serial numbers because reported debonding and cracking at tip caps created an unsafe condition.

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/A109/33 - Main Rotor Blade Tip Cap - 2.

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.

Agusta A109 Series Helicopters

AD/A109/33 Main Rotor Blade Tip Cap - 2

AD/A109/33 Main Rotor Blade Tip Cap - 2 4/2003

Applicability: Model A109E helicopters, equipped with main rotor blades part number 709-0103-01 (all dash numbers) having serial numbers up to and including 1428, preceded by code A5 or EM.

Requirement: Inspect in accordance with Agusta Service Bulletin No. 109EP-1 Rev. B, dated 19 December 2000.

Note: ENAC AD 2000-573 refers.

Compliance: Within 10 flight hours after 17 April 2003 for the initial inspection, unless already accomplished. Inspect thereafter at intervals not to exceed 25 flight hours.

This Airworthiness Directive becomes effective on 17 April 2003.

Background: Cases of debonding of the main rotor blade tip cap have been reported. Investigation revealed extensive areas of debonding of the honeycomb core, resulting in cracks on the leading edge of the tip cap.

View image in the official source

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 4 March 2003

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.

Agusta A109 Series Helicopters

AD/A109/33 Main Rotor Blade Tip Cap - 2 AD/A109/33 Main Rotor Blade Tip Cap - 2 4/2003

AD/A109/33 Main Rotor Blade Tip Cap - 2 4/2003

Applicability: Model A109E helicopters, equipped with main rotor blades part number 709-0103-01 (all dash numbers) having serial numbers up to and including 1428, preceded by code A5 or EM.

Requirement: Inspect in accordance with Agusta Service Bulletin No. 109EP-1 Rev. B, dated 19 December 2000.

Note: ENAC AD 2000-573 refers.

Compliance: Within 10 flight hours after 17 April 2003 for the initial inspection, unless already accomplished. Inspect thereafter at intervals not to exceed 25 flight hours.

This Airworthiness Directive becomes effective on 17 April 2003.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 4 March 2003