ASN Wikibase Occurrence # 182030
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| Date: | Thursday 27 March 1997 |
| Time: | 18:11 LT |
| Type: |  Piper PA-31-350 Navajo Chieftain |
| Owner/operator: | Grant Aviation |
| Registration: | N4105D |
| MSN: | 31-8252027 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 5748 hours |
| Engine model: | Lycoming TIO-540-J2BD |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Nome Airport, AK -
 United States of America
|
| Phase: | Approach |
| Nature: | Ferry/positioning |
| Departure airport: | Shishmaref, AK (SHH |
| (PAOM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was on a short final approach to land when the pilot noticed flames coming from the left engine nacelle. He turned off the fuel to the left engine, and made an uneventful landing. The fire continued to burn after landing, and the local fire department extinguished the fire. Postaccident inspection disclosed a leaking engine driven fuel pump. The pump was leaking where the relief valve cover is fastened to the fuel pump body. The screws which fasten the cover to the pump were found to be finger tight. Once the screws were refastened to the recommended torque values, the leak stopped. Other, new, fuel pumps of the same type were tested for leaks. Four of the seven pumps tested leaked, and were found to have relief valve cover screws which were under torqued. This type of fuel pump has an extensive history of leaks, and service bulletins had been issued reference inspection and refastening of the cover screws. The accident airplane was in compliance with the factory service bulletin(s). The fuel pump manufacturer and the engine manufacturer have issued new service bulletins which address repetitive inspections of the fuel pump.
Probable Cause: a fuel leak from an engine driven fuel pump which initiated an engine fire, and the fuel pump manufacturer's inadequate quality control of the fuel pump.
Accident investigation:
 |
|
Sources:
NTSB ANC97LA041
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=4105D
History of this aircraft
Other occurrences involving this aircraft
| 14 September 2000 | N4105D | Grant Aviation Inc. | 0 | EMMONAK, AK | |
sub |
| 22 May 2004 | N4105D | Grant Aviation Inc. | 0 | Goodnews, Alaska | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Dec-2015 08:06 | JINX | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 13-Oct-2017 17:02 | Dr. John Smith | Updated [Time, Operator, Departure airport, Destination airport, Source, Narrative] |
| 14-Oct-2017 17:02 | TB | Updated [Location] |
| 08-Apr-2024 16:22 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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