ASN Wikibase Occurrence # 173270
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| Date: | Tuesday 9 March 2004 |
| Time: | 14:00 |
| Type: |  Beechcraft 65 Queen Air |
| Owner/operator: | International Albatross Corp |
| Registration: | N751T |
| MSN: | LC-223 |
| Total airframe hrs: | 3463 hours |
| Engine model: | Lycoming IGSO-480-A1E6 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sedona, AZ -
 United States of America
|
| Phase: | Taxi |
| Nature: | Private |
| Departure airport: | St. Johns, AZ (SJN) |
| Sedona, AZ (SEZ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane's left wing exploded while the pilot was taxiing from landing. After landing, the pilot maneuvered the airplane in a turn in an effort to taxi off the runway. While turning, the outboard section of the left wing exploded and a small fire erupted. The pilot noted that during the landing neither the navigation nor strobe lights were in the "on" position. A Federal Aviation Administration (FAA) inspector found a small piece of material, resembling leather, wrapped around a portion of the fuel line with a clamp affixed, keeping it in place. The location of the clamped material around the fuel line was in an area of the most damage. On the skin material around the fuel line, he noted a dark gummy substance, consistent with the appearance of residual fuel. He opined that the clamped material was installed in an effort to fix a fuel leak. He also thought that after the material became saturated with fuel, fuel vapors filled the outboard cavity of the wing. The airplane's parts manual revealed that the electrical wiring in the outboard section of the left wing consists of wiring for the navigation light, the landing light, and the stall warning indicator. The fuel line runs behind the leading edge to the outboard tanks of the wing.
Probable Cause: an explosion of the left outboard wing, resulting from a leaking fuel line and the ignition of the flammable fuel/air mixture in the outboard wing bays; the source of ignition energy for the explosion could not be determined. A factor in the accident was an improper maintenance installation of a foreign material patch to fix a fuel leak.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040316X00326&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Jan-2015 16:29 | Noro | Added |
| 13-Apr-2015 17:21 | Noro | Updated [Phase] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 17:47 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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