ASN Wikibase Occurrence # 359508
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| Date: | Friday 9 December 1994 |
| Time: | 16:46 LT |
| Type: |  Cessna 175A |
| Owner/operator: | Private |
| Registration: | N6949E |
| MSN: | 56449 |
| Year of manufacture: | 1959 |
| Total airframe hrs: | 1430 hours |
| Engine model: | CONTINENTAL GO-300 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Greenwood, SC -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Barnwell, SC (KBNL) |
| Clemson, SC (KCEU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE LOST ENGINE POWER 39 MINUTES INTO THE FLIGHT. THE PILOT MADE A FORCED LANDING AT A GOLF COURSE. UPON LANDING, THE AIRPLANE NOSE GEAR COLLAPSED AND THE AIRPLANE NOSED OVER. A POST-ACCIDENT ENGINE INSPECTION REVEALED BOTH MAGNETOS SHAFTS WERE SHEARED BECAUSE OF A FOREIGN OBJECT WHICH HAD BEEN TRAPPED BETWEEN THE RIGHT MAGNETO GEAR AND THE ACCESSORY CASE. PRIOR TO THE ACCIDENT, UNAPPROVED MAINTENANCE HAD BEEN DONE ON THE AIRPLANE BY AN UNCERTIFICATED PERSON. DURING THE MAINTENANCE WORK, WHEN THE ENGINE STARTED IT KICKED BACK AND BROKE THE GEAR ON THE STARTER DRIVE. A MAGNET WAS USED TO RETRIEVE THE BROKEN GEAR FROM THE REAR OF THE ENGINE. THE ACCESSORY CASE WAS NOT REMOVED TO RECOVER THE REMAINDER OF THE BROKEN GEAR PARTICLES.
Probable Cause: UNAPPROVED MAINTENANCE WORK DONE BY UNCERTIFICATED PERSONS WHICH RESULTED IN A BROKEN STARTER DRIVE WHICH WAS NOT PROPERLY REMOVED FROM THE ENGINE. THE PARTICLES SHEARED THE MAGNETO SHAFTS CAUSING THE LOSS OF ENGINE POWER.
Accident investigation:
 |
|
Sources:
NTSB ATL95LA025
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 11:40 | ASN Update Bot | Added |
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