ASN Wikibase Occurrence # 358874
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| Date: | Sunday 11 June 1995 |
| Time: | 10:04 LT |
| Type: |  Bellanca 8KCAB |
| Owner/operator: | Private |
| Registration: | N7631S |
| MSN: | 247-76 |
| Total airframe hrs: | 1750 hours |
| Engine model: | LYCOMING AEIO-320-E1B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Miami, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | (KOPF) |
| (KTMB) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT STATED THAT DURING CRUISE FLIGHT, SHORTLY AFTER ACTIVATION OF THE ALTERNATE AIR CONTROL, THE ENGINE LOST POWER AND ATTEMPTS TO RESTORE POWER WERE UNSUCCESSFUL. THE PILOT EXECUTED A FORCED LANDING ON A ROAD AND DURING THE LANDING ROLL, THE RIGHT WING OF THE AIRPLANE COLLIDED WITH A VEHICLE AND A TREE. EXAMINATION OF THE AIR INDUCTION SYSTEM REVEALED A PIECE OF PAPER IN THE SERVO FUEL INJECTOR AIR INLET. THE ENGINE WAS PLACED ON A TEST STAND, THE PAPER WAS REMOVED, AND THE ENGINE WAS STARTED AND FOUND TO OPERATE TO NEAR FULL RATED RPM. THE ONLY DISCREPANCY NOTED WAS EXCESSIVE MAGNETO DROP WHEN OPERATING ON THE RIGHT MAGNETO. THIS WAS DUE TO A BROKEN SLEEVE (INSULATOR) OF ONE OF THE IGNITION LEADS. REVIEW OF THE ENGINE LOGBOOK REVEALED THAT THE SERVO FUEL INJECTOR WAS REMOVED ON MAY 8, 1995, AND REINSTALLED 20 DAYS LATER. THE AIRPLANE HAD BEEN OPERATED FOR ABOUT 3.8 HOURS SINCE THE SERVO FUEL INJECTOR HAD BEEN REINSTALLED.
Probable Cause: TOTAL BLOCKAGE OF THE AIR INDUCTION AT THE SERVO FUEL INJECTOR BY PAPER FROM AN UNDETERMINED SOURCE AND INADEQUATE MAINTENANCE SERVICING BY OTHER MAINTENANCE PERSONNEL. CONTRIBUTING TO THE ACCIDENT WAS UNSUITABLE TERRAIN ENCOUNTERED BY THE PILOT DURING THE FORCED LANDING.
Accident investigation:
 |
|
Sources:
NTSB MIA95LA149
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 19:08 | ASN Update Bot | Added |
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