COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Airbus Industrie A319, A320 and A321 Series Aeroplanes
AD/A320/85 Probe Heat Computer 12/97
Applicability: All Airbus Industrie A320 models not having Airbus Industrie modification No.
26403 or Airbus Industrie Service Bulletin A320-30-1036 Revision 1 dated 7 July 1997 incorporated.
Requirement: Unless previously incorporated, modify the wiring between engine interface units one and two with probe heat computer one and three in accordance with Airbus Industrie Service Bulletin A320-30-1036.
Note: DGAC AD 97-203-102(B) refers.
Compliance: Prior to 22 May 1998.
This airworthiness directive becomes effective on 6 November 1997.
Background: This AD is intended to prevent a simultaneous loss of heating of probes (CAPT and STBY side) due to a single failure, which will induce erroneous anemometric calculations by the concerned systems whilst operating in freezing conditions.