Commonwealth legislation

AD/ELECT/58 - SAFT 1606-1 Batteries

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Commonwealth

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legislative instrument

Plain English Summary

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Requires inspection of every SAFT 1606‑1 battery with a temperature probe (installed or held as a spare) to confirm a shunt between terminals 2 and 3 on the female plug. If the shunt is missing, installers must fit shunt P/No 161‑211 and confirm the temperature‑probe system works. Applies to batteries already fitted to aircraft (check within 50 hours TIS after 21 Feb 1991) and to uninstalled batteries before installation. The rule addresses the risk that a missing shunt can disable temperature monitoring and fail to detect battery overheating.

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AD/ELECT/58 - SAFT 1606-1 Batteries

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Electrical Equipment

AD/ELECT/58 SAFT 1606-1 Batteries 2/91

Applicability: All SAFT 1606-1 batteries equipped with temperature probes, and fitted to aircraft or held as spares.

Note: Aircraft known to be fitted with this type of battery include, but are not limited to Aerospatiale AS 350 and AS 355 helicopters.

Requirement: Verify the presence of the battery shunt (jumper) between terminals 2 and 3 of the female plug on the battery temperature probe cable. If the shunt is missing, install a shunt P/No 161-211 and ensure correct operation of the temperature probe system.

Note: DGAC AD 90-198-056(B) also refers.

Compliance: 1. For batteries fitted to aircraft: within 50 hours time in service after 21 February 1991.

For uninstalled batteries: before installation in an aircraft.

Background: Advice has been received that the temperature probe shunt may be not installed or missing on some SAFT 1606-1 batteries which may result in nil operation of the temperature sensing system, and therefore failure to detect a potentially dangerous overheated battery condition.

Source text

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

1 AD/ELECT/58 - SAFT 1606-1 Batteries