COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 550 (Citation II) Series Aeroplanes
AD/CESSNA 550/22 Outflow Safety Valve 5/96
Applicability: All Cessna 550 series aircraft.
Requirement: Unless previously carried out, action in accordance with Allied Signal Service Bulletin 103576-21-4056.
Note: FAA AD 95-25-10 Amdt 39-9456 refers.
Compliance: Within 200 hours time in service from 25 April 1996 or prior to 31 July 1996, whichever occurs first.
Background: The manufacturer has advised that cracking has been found in two valve poppets of a particular batch. This cracking may cause failure of the outflow safety valve which could result in rapid decompression of the aircraft.