ASN Wikibase Occurrence # 387560
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| Date: | Monday 22 May 2000 |
| Time: | 17:00 LT |
| Type: |  Piper PA-32R-300 |
| Owner/operator: | Private |
| Registration: | N424TP |
| MSN: | 32R-7780332 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 4976 hours |
| Engine model: | Lycoming TO-540-KIG5D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Erie, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Broomfield, CO (KBJC) |
| Saint Joseph, MO (STJ | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During climb to cruise, on an IFR flight plan, in visual conditions, the engine lost all power approximately 10 minutes after takeoff. A forced landing was made in an open field and no damage was incurred during the landing. Examination of the engine provided evidence the number 2 cylinder had separated from the case and had lodged in the cowl. Detailed examination provided evidence that the cylinder hold down studs had failed and were 'necked-down' at the fracture points. The rod bolts then failed and the piston reversed itself and lodged in the case. No signatures of oil starvation or heat distress were found. Examination at an engine overhaul facility provided evidence that none of the hold down stud nuts on the remaining five cylinders had sufficient torque.
Probable Cause: Improper installation of cylinders by unknown maintenance personnel who failed to torque the cylinder stud nuts sufficiently.
Accident investigation:
 |
|
Sources:
NTSB DEN00IA093
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-May-2024 10:12 | ASN Update Bot | Added |
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