Commonwealth legislation

AD/DH 104/37 - Aileron Mass Balance Weight Assembly

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This directive requires operators of DH.104 (Dove) series aeroplanes to inspect the aileron mass‑balance weight assembly following British Aerospace TNS 245 Issue 1: a visual check within 14 days after 30 April 1987, and—if no visible corrosion—a radiographic (X‑ray) inspection within 50 hours TIS or by 31 July 1987. Prompted by reported internal corrosion that could cause aileron flutter, the rule shifts costs and scheduling burden to owners/operators and may produce short‑term downtime and specialist radiography costs.

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Current sections

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AD/DH 104/37 - Aileron Mass Balance Weight Assembly

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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 DH 104 (Dove) Series Aeroplanes

AD/DH 104/37 Aileron Mass Balance Weight Assembly 7/87 DM

Applicability: All models.

Requirement: Action in accordance with British Aerospace TNS 245 Issue 1. Compliance: 1. Carry out the visual inspection within 14 days after 30 April 1987 and,

If no corrosion is evident visually, carry out the radiographic inspection within 50 hours time in service after 30 April 1987 but no later than 31 July 1987.

Background: A case has been reported on a Heron aircraft of severe internal corrosion. Loss or failure of the balance assembly may cause aileron flutter or severe handling problems.

Source text

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