COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
British Aerospace BAe 146 Series Aeroplanes
AD/BAe 146/45 Airbrake Feedback Spring 5/93
All BAe 146 series aircraft fitted with Servo-Valve assemblies P/N 3799H1 (Fairy Hydraulics) incorporating Servo-Valve P/N 72189 (Abex) in the S/N range as specified in the Requirement Document.
Action in accordance with BAe 146 mandatory Service Bulletin 27-133.
UK CAA AD 018-01-92 and DGAC 92-096-IMP(B) refer.
By 30 June 1993.
Advice has been received that due to faulty manufacture the Servo-Valve feedback spring may be fractured.