COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 400 Series Aeroplanes
AD/CESSNA 400/39
Amdt 3
Lower Wing Skin Rivets 10/91
Applicability: All model 402B with S/Nos 402B0361 to 402B1212. All model 414 with S/Nos 414- 0391 to 414-0912 and all model 421 with S/Nos 421B-0397 to 421B-0970.
Requirement: Action in accordance with Cessna SL ME77-6.
Compliance: At each inspection for Maintenance Release issue after 3 October 1991. The compliance date of the previous issue of this Directive was 1 January 1978.
Background: This Directive was raised in response to Cessna SL ME77-6, which introduced repair instructions for use in the event of loose or working lower wing skin/front spar attach rivets. This amendment is raised to ensure ongoing inspection; due to the difficulty in identifying replaced rivets, and likely deterioration of bonding.