AD/A109/15 - Modification of Overhead Console Relay Boards
1AD/A109/15 - Modification of Overhead Console Relay Boards
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Agusta A109 Series Helicopters
AD/A109/15 Modification of Overhead Console Relay Boards 1/89
Applicability: All Agusta A109A and A109AII helicopters up to and including S/No 7400 with the exception of S/Nos 7187, 7366 and 7396.
Requirement: Action in accordance with Mandatory Agusta Bollettino Tecnico No 109-73.
Compliance: On replacement of GCU box in accordance with the Requirement document, but in any case, prior to 26 January 1990.
Background: Lear Siegler Inc. introduced some minor modification to the GCU box P/N 51509- 002R which in some cases, when installed in A109 aircraft, has caused non operation of both No 1 and No 2 generators.