AD/LEARJET/29 - Aileron Trim Tab Balance Weight - Replacement

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B11146 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Gates Learjet 24 & 25 Series Aeroplanes

 

AD/LEARJET/29 Aileron Trim Tab Balance Weight - Replacement

Applicability: All model Learjet with Serial Numbers listed in Requirement Document. Requirement:              Gates Learjet AMK 83-3.

Note: FAA AD 84-19-06 refers.


12/84

 

Compliance: Within 600 hours time in service after 31 December 1984 or the next aileron/trim tab removal or rebalance whichever occurs first.

 

Background:  The manufacturer has determined that the aileron trim tab balance weight is insufficient to meet the failsafe design requirements. This modification is needed to prevent possible flutter in the event of a disconnect in the trim tab system.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.