Commonwealth legislation

AD/TB20/5 - Battery Tray Installation

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This airworthiness directive requires owners/operators of specified Aerospatiale (Socata) TB20 aeroplanes (serial numbers up to 441, with listed exclusions) to inspect and modify the battery tray installation in accordance with Socata Service Letter No. 18, paying particular attention to electrolyte spillage and subsequent fuselage corrosion. Compliance is required within 50 flight hours after 31 October 1985.

The obligation and any costs rest with aircraft owners/operators; the AD delegates technical detail and remedial action to the manufacturer’s service instructions and maintenance judgement.

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AD/TB20/5 - Battery Tray Installation

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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 Aerospatiale (Socata) TB20 (Trinidad) Series Aeroplanes

AD/TB20/5 Battery Tray Installation 10/85

Applicability: All models TB20 series with S/Nos up to 441 but excluding S/Nos 343, 382, 414, 423, 425 to 429 and 434 to 438.

Requirement: Inspect and modify the battery tray installation in accordance with the requirements detailed in Socata Service Letter No. 18 under description paragraph 1. Pay particular attention to surrounding fuselage structure for signs of electrolyte spillage and subsequent damage.

Note: French AD 85-130-(A) refers.

Compliance: Within 50 hours time in service after 31 October 1985.

Background: The battery tray installation may be such that electrolyte spillage from the battery could cause fuselage structural damage due to corrosion.

Source text

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