AD/F28/72 Amdt 1 - Elevator Gust Lock and Support Structure
1AD/F28/72 Amdt 1 - Elevator Gust Lock and Support Structure
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Fokker F28 Series Aeroplanes
AD/F28/72
Amdt 1
Elevator Gust Lock and Support Structure 7/93
Applicability: Model F28 (except Mk. 0100), all serial numbers.
Requirement: Inspect the elevator gust lock housing and support structure for cracks in accordance with the Accomplishment Instructions of Fokker Service Bulletin F28/55-30.
Note 1: Compliance with Fokker SB F28/55-31 constitutes terminating action for the support structure inspections.
Note 2: RLD AD 92-101/2 (A) refers.
Compliance: As specified in the Requirement Document with an initial accomplishment time of 2 July 1993.
The compliance time of this Directive remains unchanged. This Amendment is effective from 24 June 1993.
Background: The failure of an elevator gustlock housing has been been reported. This event occurred during maintenance after the cockpit control column was moved with the gustlock ON and the hydraulic system activated. The support structure on which the housing is mounted was also damaged. Amendment 1 is issued to reflect a revision of the related RLD AD which was revised to allow a terminating action in lieu of inspections of the gustlock support structure.