ASN Wikibase Occurrence # 380443
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| Date: | Friday 25 November 1983 |
| Time: | 15:30 LT |
| Type: |  Piper PA-28R-200 |
| Owner/operator: | Private |
| Registration: | N41873 |
| MSN: | 28R7435222 |
| Total airframe hrs: | 3544 hours |
| Engine model: | Lycoming IO-360-C1C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Zanesville, OH -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | |
| Xenia, OH | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER DEPARTING ZANESVILLE, OH, THE ACFT WAS AT 2500 FT MSL WHEN THE ENG BEGAN TO 'KNOCK'. THE COCKPIT FILED WITH SMOKE & THE ENG BEGAN TO LOSE OIL. THE PLT TURNED BACK TO LAND AT THE ARPT. HE REPORTED THAT THE ENG CONTINUED TO RUN UNTIL THE ACFT WAS ABOUT 3/4 OF THE WAY ON A DOWNWIND FOR RWY 22. AT THAT POINT, THE ENG FAILED. THE PLT MADE A FORCED LANDING APRX 1000 FT SHORT OF THE RWY. THE GROUND CONDITIONS WERE SOFT & THE GEAR COLLIDED. AN EXAM REVEALED THAT THE #3 PISTON HAD FAILED & THE #3 CYLINDER WAS HEAVILY GROOVED. THE #3 CYLINDER (CHROME) HAD BEEN INSTALLED APPRX 40 FT HRS PRIOR TO THE ACCIDENT. ONE OF THE RINGS IN THE #3 PISTON WAS CHROME. ACCORDING TO THE MANUFACTURER, CHROME PLATED RINGS SHOULD NEVER BE USED IN CHROME PLATED CYLINDERS. AN UNAUTHORIZED, CHAMPION EM-41E, HOT RUNNING SPARK PLUG WAS USED IN THE #3 CYLINDER. THERE WAS EVIDENCE THAT THE INITIAL PISTON FAILURE WAS A DOME BURN THRU FROM DETONATION ON PRE-IGNITION.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB CHI84LA050
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 16:44 | ASN Update Bot | Added |
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