COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-31 Series Aeroplanes
AD/PA-31/102
Amdt 2
Flap Travel Restriction and Wing Flap Flexible Drive Shaft
6/82
Applicability: All models PA-31T Cheyenne ) With S/Nos. referenced in All models PA-31T Cheyenne/ ) Piper SB No. 741 or with Cheyenne II ) S/Nos. referenced in All models PA31T1 Cheyenne I) subsequent issues of that SB.
Requirement: Action in accordance with Piper SB No. 741.
In addition, when the maximum flap travel is restricted to 15`:
Australian Flight Manual landing distances shall be increased by 15% and approach speeds shall be increased by 5 knots.
Australian Flight Manuals are to be amended in accordance with the appropriate Department of Aviation approved flight manual amendment. Appropriate amendments will be available from Regional Offices.
Compliance: In accordance with the Requirement document, with effect from 30 June 1982.
Background: Recent field reports have been received by the manufacturer indicating flap system malfunctions which were the result of failures of the wing flap flexible shaft assemblies. Amendment 2 introduces flight manual amendments to cover performance changes introduced by the Service Bulletin.