AD/LEARJET 35/28 - Crew Oxygen Plumbing and Map Light Wire Protection
1AD/LEARJET 35/28 - Crew Oxygen Plumbing and Map Light Wire Protection
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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 35/28 Crew Oxygen Plumbing and Map
Light Wire Protection
2/93
Applicability: All Learjet 35 and 36 series airplanes with serial numbers 35-001 to 35-661 inclusive and 36-001 to 36-063 inclusive.
Requirement: Modify the cockpit map light wiring in accordance with Learjet Airplane Modification Kit AMK 90-5 dated 11 October 1991.
Note: FAA AD 92-19-12 Amendment 39-8370 refers.
Compliance: Prior to further flight after 4 July 1993.
Background: The FAA has received a report of an in-flight fire on a Learjet Model 24 series airplane caused by chafing of the cockpit map light wires. The electrical arcing against the oxygen mask tubing caused burn-through and the subsequent fire.
Compliance with this Directive decreases the likelihood of an in-flight fire caused by map light wire chafing.