Commonwealth legislation

AD/A109/27 - Tail Rotor Blades P/N 109-8132-01-107

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires operators of Agusta A109C helicopters fitted with tail rotor blades P/N 109-8132-01-107 (serials prefixed A5-) to inspect the tail rotor blade tip fairing bonding for voids or disbonding, following Agusta Bullettino Technico 109-105. Compliance must occur within 25 hours time-in-service after 12 May 1997.

Operators pay for inspections and any repairs; the Civil Aviation Safety Authority enforces compliance. The Directive’s stated purpose is to prevent tip-fairing loss that can cause severe vibration or structural damage, so it changes immediate maintenance priorities and creates a short-term compliance burden.

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AD/A109/27 - Tail Rotor Blades P/N 109-8132-01-107

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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/A109/27 Tail Rotor Blades P/N 109-8132-01-107 7/97

Applicability: Model A109C with tail rotor blades Part Number 109-8132-01-107 with Serial Numbers prefixed A5- installed.

Requirement: Action in accordance with Agusta Bullettino Technico 109-105.

Note: RAI AD 97-090 refers.

Compliance: Within 25 hours time in Service after 12 May 1997.

This Airworthiness Directive becomes effective on 12 May 1997.

Background: This Directive is raised to inspect the bonding of the tail rotor blades tip fairing for voids and disbonding. Loss of a tip fairing will cause severe vibration, and may cause severe structural damage that may result in loss of control.

Source text

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