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The aircraft was engaged in a passenger charter operation from Moree to Tenterfield. After landing at Tenterfield, when the aircraft turned off the strip, the left main landing gear broke away and the aircraft settled on the left wing. Prior to the previous takeoff, whilst the aircraft was taxiing at Moree, the landing gear aural warning had sounded momentarily. The pilot and an engineer inspected the landing gear down lock system but no fault was found. The aircraft then operated normally to Tenterfield until the aircraft turned off the strip. Subsequent investigation of the landing gear showed that the forward trunnion pin had became disengaged from the trunnion and the rear pin had migrated some distance aft and finally failed in overload. Movement of the trunnion pins was the direct result of incorrect assembly procedure.

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[ Download PDF: 22KB]
General details
Date: 29 May 1989 Investigation status: Completed 
Time: 1145  
Location:Tenterfield Investigation type: Occurrence Investigation 
State: New South Wales  
Release date: 05 July 1989  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 340 
Aircraft registration: VH-DRQ 
Serial number: 34OAO294 
Type of operation: Charter 
Damage to aircraft: Substantial 
Departure point:Moree NSW
Departure time:N/K
Destination:Tenterfield NSW
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