Commonwealth legislation

AD/BAe 146/51 - Electrical Power Dual Lead Acid Battery Installation

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legislative instrument

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This Airworthiness Directive requires operators of BAe 146 aircraft fitted with the dual lead‑acid battery installation (introduced by BAe Mod HCM40028B/D) to inspect—and if needed, correct—the two‑way link between terminal D8 and D9 in accordance with Avro Mandatory Inspection Service Bulletin S.B.24‑107 (25 Jan 1995). Compliance had to be completed prior to 30 June 1995. The directive places the inspection and any corrective work on aircraft operators or their maintenance organisations to preserve battery charge for emergency electrical power (Requirement; Compliance).

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AD/BAe 146/51 - Electrical Power Dual Lead Acid Battery Installation

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/51 Electrical Power Dual Lead Acid Battery Installation

6/95

Applicability: All BAe 146 series aircraft equipped with a dual lead-acid battery installation.

Note: Dual lead-acid battery installation was introduced by BAe Modification HCM40028B or D.

Requirement: Action in accordance with Avro International Aerospace Mandatory Inspection Service Bulletin S.B.24-107 dated 25 January 1995.

Note: CAA(UK) AD 005-01-95 refers.

Compliance: Prior to 30 June 1995.

Background: Avro International Aerospace has advised that they have received reports indicating that the two-way link between terminals `D8’ and `D9’ on terminal block `D’ may not be installed on some aircraft with dual lead-acid battery installations, this condition may allow premature battery discharge. This Directive ensures the aircraft wiring configuration is correct and that battery charge is preserved to meet the requirement for emergency electrical power. The CAA(UK) compliance is extended by approximately two calendar months.

Source text

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

1 AD/BAe 146/51 - Electrical Power Dual Lead Acid Battery Installation