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The pilot under training was practising circuits and landings in preparation for a Commercial Licence test. When the landing gear was extended on the downwind leg, the nosegear light did not illuminate. The instructor changed light bulbs and the light illuminated so the circuit was continued. The landing was normal until the nosegear collapsed during the ground roll. The aircraft was involved in a similar accident in South Australia on 25 May 1989 and had flown approximately 25 hours since being repaired. A technical investigation revealed the downlock hook had fractured across the "U" section and there was excessive wear in all attachment holes and bushes. The downlock hook failed in overload probably as a result of higher than normal loads caused by the excessive wear in the drag link/overcentre lock system.

Download Final Report
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General details
Date: 01 July 1989 Investigation status: Completed 
Time: 1440  
Location:Warnervale Investigation type: Occurrence Investigation 
State: New South Wales  
Release date: 17 May 1990  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-28 
Aircraft registration: VH-PRF 
Serial number: 28R-7837078 
Type of operation: Flying Training 
Damage to aircraft: Substantial 
Departure point:Warnervale NSW
Departure time:N/A
Destination:Warnervale NSW
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