ASN Wikibase Occurrence # 359289
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| Date: | Wednesday 1 March 1995 |
| Time: | 18:30 LT |
| Type: |  Piper PA-32RT |
| Owner/operator: | Lowe Automotive |
| Registration: | N1978J |
| MSN: | 32R-7885223 |
| Total airframe hrs: | 1450 hours |
| Engine model: | LYCOMING IO-540-K1G5D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Joliet, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | West Chicago, IL (DPA |
| Bloomington, IL (KBMI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ACCORDING TO THE PILOT, APPROXIMATELY TEN MINUTES INTO THE FLIGHT, THE ENGINE BEGAN TO RUN ROUGH. THE PILOT STATED HE BEGAN TO TROUBLESHOOT AND EVERYTHING APPEARED NORMAL EXCEPT THE FUEL FLOW WAS LOW. AT THIS TIME HE ADVANCED THE THROTTLE, SWITCHED FUEL TANKS, AND TURNED THE FUEL BOOST PUMP ON. THE PILOT STATED HE THEN HEARD A 'BANG' FROM THE ENGINE AND ALL ENGINE POWER WAS LOST. THE PILOT MADE A FORCED LANDING ON AN ACCESS ROAD ADJACENT TO A HIGHWAY. POSTACCIDENT EXAMINATION REVEALED THE NUMBER FOUR CYLINDER HAD SEPARATED FROM THE CRANKCASE. FRACTURES OF THE CYLINDER HOLD DOWN STUDS SHOWED NO CLEAR EVIDENCE OF FATIGUE CRACKING. FRACTURES ARE REPRESENTATIVE OF OVERSTRESS SEPARATIONS. FRETTING DAMAGE WAS OBSERVED ON THE MATING CYLINDER FLANGE, CRANKCASE BOSS, AND METAL FOLDS ON THE CYLINDER FLANGE/HOLE WALL CORNERS.
Probable Cause: the failure of the number four cylinder due to a loose cylinder hold down stud. A factor in the accident was the embankment.
Accident investigation:
 |
|
Sources:
NTSB CHI95LA097
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 09:01 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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