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While in cruise the pilot heard a bang, the engine started vibrating and suffered an almost total power loss. The pilot was able to carry out a successful forced landing onto a disused agricultural strip. A bulk strip of the engine found that the #1 cylinder connecting rod bolts had failed. The connecting rod cap had also failed. The engine was severely damaged and further investigation was not possible. It is suspected that incorrect torque of the connecting rod bolts could have been a contributing factor to their failure. Significant Factors 1. Engine power was lost when the #1 connecting rod detached.
General details
Date: 12 December 1993 Investigation status: Completed 
Time: 10:30 ESuT  
 Investigation type: Occurrence Investigation 
 Occurrence type: Forced/precautionary landing 
Release date: 30 August 1994  
Report status: Final Occurrence category: Incident 
Aircraft details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: R172K 
Aircraft registration: VH-WKW 
Sector: Piston 
Damage to aircraft: Nil 
Departure point:Canberra ACT
Destination:Bombala NSW
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Last update 24 July 2015