1AD/DHC-8/36 - Electrical Power - Battery Temperature Monitor

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes

AD/DHC-8/36 Electrical Power - Battery Temperature Monitor 2/95

Applicability: All DHC-8 Series 102, 103, 106, 301, 311, and 314, serial numbers 003 through 389 inclusive, with Ametek/Weston battery temperature monitor part number (P/N) 522487 installed.

Requirement: Replace the battery temperature monitor P/N 522487 with a modified monitor P/N 522487-1, in accordance with Bombardier Regional Aircraft Division de Havilland Dash 8 Service Bulletin 8-24-53 dated 7 September 1994.

Note: Transport Canada Aviation AD CF-94-22 dated 24 November 1994 refers.

Compliance: Prior to 31 July 1995.

Background: Transport Canada Aviation advise that several incidents of battery temperature monitor failures have been reported, which caused heavy smoke in the flight compartment requiring emergency action to be taken by flight crew.

This Directive requires the replacement of the monitors, averting the generation of smoke in the flight compartment.