Serious incident Piper PA-34-200T N3030K,
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ASN Wikibase Occurrence # 363335
 
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Date:Wednesday 8 July 1992
Time:14:00 LT
Type:Silhouette image of generic PA34 model; specific model in this crash may look slightly different    
Piper PA-34-200T
Owner/operator:Lyddon Flying Service
Registration: N3030K
MSN: 34-7970103
Year of manufacture:1979
Total airframe hrs:2633 hours
Engine model:CONTINENTAL TSIO-360-EB
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Minor
Category:Serious incident
Location:Lamar, CO -   United States of America
Phase: Approach
Nature:Unknown
Departure airport:(KLAA)
Destination airport:Colorado Spring, CO
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT NOTED AN UNSAFE INDICATION AFTER LOWERING THE LANDING GEAR AND OBSERVED THROUGH A MIRROR THE NOSEWHEEL WAS NOT LOCKED. HE ELECTED TO LAND WHEELS UP. POST INCIDENT INSPECTION DISCLOSED THE BOLT THAT ATTACHES THE UPPER DRAG LINK TO THE NOSE GEAR TRUNNION HAD SHEARED. LABORATORY EXAMINATION DISCLOSED TORSIONAL BENDING FATIGUE TYPICAL OF HIGH CYCLE LOW LOAD FATIGUE.

Probable Cause: FRACTURED NOSE LANDING GEAR BOLT DUE TO FATIGUE.

Accident investigation:
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Investigating agency: NTSB
Report number: DEN92IA072
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

NTSB DEN92IA072

Location

Revision history:

Date/timeContributorUpdates
18-Mar-2024 16:06 ASN Update Bot Added

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