Serious incident Cessna 172RG N9320D, Thursday 5 December 1991
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Date:Thursday 5 December 1991
Time:17:45 LT
Type:Silhouette image of generic C72R model; specific model in this crash may look slightly different    
Cessna 172RG
Owner/operator:Airwest Flying Club
Registration: N9320D
MSN: 172RG1119
Year of manufacture:1982
Total airframe hrs:4458 hours
Engine model:Lycoming O-360-F1A6
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Minor
Category:Serious incident
Location:Broomfield, CO -   United States of America
Phase: Approach
Nature:Training
Departure airport:
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
UPON RETURN FROM A LOCAL AREA INSTRUCTIONAL FLIGHT, THE LEFT MAIN LANDING GEAR FAILED TO EXTEND. AFTER REPEATED UNSUCCESSFUL ATTEMPTS TO EXTEND AND LOCK THE LEFT MAIN LANDING GEAR, THE PILOT MADE AN INTENTIONAL WHEELS UP LANDING. POST INCIDENT EXAMINATION DISCLOSED THE LANDING GEAR PIVOT ASSEMBLY FAILED IN DUCTILE TORSIONAL OVERSTRESS. THERE WAS NO EVIDENCE OF FATIGUE OR PREEXISTING CRACKS.

Probable Cause: FAILURE OF THE LEFT MAIN LANDING GEAR PIVOT ASSEMBLY DUE TO DUCTILE TORSIONAL OVERSTRESS.

Accident investigation:
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Investigating agency: NTSB
Report number: DEN92IA014
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB DEN92IA014

History of this aircraft

Other occurrences involving this aircraft

27 September 2001 N9320D Key Lime Air 0 Englewood, Colorado sub

Location

Revision history:

Date/timeContributorUpdates
19-Mar-2024 12:30 ASN Update Bot Added

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