ASN Wikibase Occurrence # 365314
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| Date: | Tuesday 14 May 1991 |
| Time: | 16:00 LT |
| Type: |  Piper PA-34-220T |
| Owner/operator: | Rojo |
| Registration: | N8356B |
| MSN: | 34-8133D38 |
| Engine model: | CONTINENTAL TSIO-360-KB |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Eau Claire, WI -
 United States of America
|
| Phase: | Landing |
| Nature: | Executive |
| Departure airport: | Waterloo, IA (KALO) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE RIGHT MAIN LANDING GEAR COLLAPSED DURING THE LANDING ROLL. THE AIRPLANE VEERED TO THE RIGHT AND THE RIGHT WING CONTACTED A RUNWAY LIGHT. POST ACCIDENT INVESTIGATION REVEALED A FATIGUE FAILURE OF THE LANDING GEAR TRUNNION ON THE LOWER FILLET OF THE WEB ON THE TRUNNION. METALLURGICAL EXAM REVEALED THE FAILURE PROPAGATED FROM GRINDING MARKS MADE DURING THE MANUFACTURING FINISHING PROCESS. A SERVICE BULLETIN WAS ISSUED IN 1985 BY THE MANUFACTURER ADDRESSING THE INSPECTION OF THIS AREA FOR CRACKS.
Probable Cause: THE INADEQUATE FINISHING PROCEDURES USED BY THE MANUFACTURER AND THE FAILURE TO COMPLY WITH THE MANUFACTURER'S BULLETIN.
Accident investigation:
 |
|
Sources:
NTSB CHI91LA157
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 08:53 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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