AD/LEARJET 35/12 - Upper Cabin Door Locking Mechanism - Modification
1AD/LEARJET 35/12 - Upper Cabin Door Locking Mechanism - Modification
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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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Gates Learjet 35 and 36 Series Aeroplanes
AD/LEARJET 35/12 Upper Cabin Door Locking Mechanism - Modification
3/80
Applicability: All models 35 with S/Nos. 35-001 to 35-167 and 36 with S/Nos. 36-001 to 36-038, fitted with the 36 inch cabin door.
Requirement: Modify the handle mechanism by installing Gates Learjet Kit No. AMK 78-2.
Compliance: 1. For those aeroplanes which have achieved 3000 hours time in service - within 100 hours time in service after 31 March 1980.
- For those aeroplanes which have not achieved 3000 hours time in service - before achieving 3000 hours time in service.
Background: If the cabin door locking mechanism fails during the door closing operation this fact will not be apparent to the crew and a door “unsafe” condition could exist.