Commonwealth legislation

AD/A109/28 - Tail Rotor Blade Grip Assemblies

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires owners/operators of specified Agusta A109C helicopters (all up to serial number 7670, with several serials excluded) to replace tail-rotor blade grip assemblies (P/N 109-8131-05-109 and -113) with an improved item and to rework blades to accept larger-diameter bolts, following Agusta Bollettino Tecnico No. 109-100 Rev A. CASA issued the AD; compliance was required before 30 June 1997 (effective 14 May 1997). Owners/operators must arrange and fund the work and schedule affected helicopters for the mandated maintenance.

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AD/A109/28 - Tail Rotor Blade Grip Assemblies

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Agusta A109 Series Helicopters

AD/A109/28 Tail Rotor Blade Grip Assemblies 7/97

Applicability: All A109C up to Serial Number 7670, excluding 7630, 7633, 7645, 7651, 7653, 7657,

7661, 7663, 7665, 7667, and 7669.

Requirement: Action in accordance with Agusta Bollettino Tecnico No. 109-100, Rev A.

Note: RAI AD 97-084 refers.

Compliance: Before 30 June 1997.

This Airworthiness Directive becomes effective on 14 May 1997.

Background: Cracking has been discovered in the grip assemblies P/N 109-8131-05-109 and -113.

This Directive is issued to replace the grip assemblies with an improved item and rework of the blades to accept larger diameter bolts.

Source text

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