Commonwealth legislation

AD/GBK 117/1 Amdt 1 - Tail Rotor Blade Bonding

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This AD requires operators of Eurocopter BK 117s fitted with tail rotor blades P/N 117-31742, S/N 63–82, to follow the Japan CAA inspection/replacement instructions: blades with <5 hours TIS before 23 July 1990 must be replaced before next flight; blades with >5 hours TIS must receive the prescribed pre‑flight inspection. Operators bear the costs. The measure targets a risk of inadequate blade bonding.

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Current sections

Direct links to the current provisions in AD/GBK 117/1 Amdt 1 - Tail Rotor Blade Bonding.

AD/GBK 117/1 Amdt 1 - Tail Rotor Blade Bonding

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Eurocopter BK 117 Series Helicopters

AD/GBK 117/1

Amdt 1

Tail Rotor Blade Bonding 2/94

Applicability: All models fitted with tail rotor blades P/n 117-31742 serial numbers 63 to 82. Requirement: Action in accordance with Japan Civil Aviation Bureau AD TCD 2589-2-90. Compliance: For Tail Rotor Blades with:

less than five hours time in service prior to 23 July 1990, replace prior to further flight, and

2. more than five hours time in service prior to 23 July 1990, inspect prior to each flight in accordance with the Requirement Document.

3. this amendment is effective 3 February 1994.

Note: The previous effective date of this Directive was 24 August 1987.

Background: Some blades may have had inadequate bonding. Amendment 1 is to reflect the latest issue of the requirement document.

Source text

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

1 AD/GBK 117/1 Amdt 1 - Tail Rotor Blade Bonding