COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
British Aerospace BAe 125 Series Aeroplanes
AD/HS 125/131 Hydraulic System Accumulator 12/92
All model 125 up to and including the 800 series aircraft.
Unless previously carried out, action in accordance with “2. Accomplishment Instructions” contained in Mandatory Service Bulletin No 29-89-3269A.
Compliance with this SB has been classified as Mandatory by the UK CAA.
Prior to 31 August 1993.
Due to possible hydraulic fluid contamination of the accumulator air charge, resulting in possible compression ignition, the accumulators are to be charged with nitrogen.