ASN Wikibase Occurrence # 131947
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| Date: | Monday 27 September 1993 |
| Time: | 16:10 LT |
| Type: |  Beechcraft A36 Bonanza |
| Owner/operator: | United Beechcraft, Inc. |
| Registration: | N80010 |
| MSN: | E-2749 |
| Total airframe hrs: | 40 hours |
| Engine model: | CONTINENTAL IO-550-B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Houston, TX -
 United States of America
|
| Phase: | Standing |
| Nature: | Unknown |
| Departure airport: | (KHOU) |
| (KHOU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING ENGINE START, UTILIZING THE HIGH BOOST PUMP, THE PILOT NOTED FLAMES COMING UP FROM THE ENGINE COMPARTMENT TOWARD THE DOOR. THE PILOT AND PASSENGER WERE ABLE TO EXIT BEFORE THE AIRPLANE WAS ENGULFED IN FLAMES. INVESTIGATION REVEALED A CROSS THREADED OUTPUT LINE ON THE ENGINE DRIVEN FUEL PUMP WHICH ALLOWED FUEL TO LEAK INTO THE ENGINE COMPARTMENT. THE PUMP HAD BEEN REMOVED AND RE-INSTALLED EARLIER IN THE DAY. THE MECHANIC WHO PERFORMED THE POST-MAINTENANCE RUN UP STATED THAT HE HAD TO RUN THE BOOST PUMP ON LOW TO KEEP THE ENGINE FROM RUNNING ROUGH. HE DID NOT INFORM ANYONE OF THAT DIFFICULTY UNTIL AFTER RELEASING THE AIRPLANE FOR FLIGHT AND AFTER THE ACCIDENT.
Probable Cause: THE FUEL LEAK WHICH RESULTED FROM THE MECHANIC'S IMPROPER INSTALLATION OF THE FUEL LINE. A FACTOR WAS THE LEAD MECHANIC'S INADEQUATE POST RUN UP INSPECTION.
Accident investigation:
 |
|
Sources:
NTSB FTW93LA266
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 10:58 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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