Casualties unknown

Cabin Floor Fire Traced to Chafed Electrical Wire Against Fuel Line (N9984M)

Nome, AK, US

On July 9, 1993, a Cessna 207 (registration N9984M) was involved in an aviation accident near Nome, AK. Investigators recorded the probable cause as: THE CHAFED FUEL LINE AND CHAFED ELECTRICAL WIRE AND THE IMPROPER MAINTENANCE PROCEDURE USED TO SECURE THE ELECTRICAL WIRE WITH A TIE WRAP. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

A fire erupted beneath the cabin floor during cruise flight, directly under the right front seat. The fire was extinguished after landing. Investigation revealed an electrical wire tie-wrapped to a fuel line, with chafed insulation and a hole in the fuel line.

Incident

During cruise flight, a fire erupted beneath the cabin floor, directly beneath the right front seat. The flight crew landed the aircraft and extinguished the fire using the airplane's fire extinguisher.

Examination Findings

Post-incident examination of the airplane revealed that an electrical wire had been secured with a tie wrap to a fuel line. The insulation on the electrical wire had chafed through, and a hole was present in the fuel line. The source of the work that led to this condition could not be determined.

The fire originated in the area where the chafed electrical wire contacted the fuel line. No other facts about the aircraft, occupants, or injuries are specified in the source.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X12739. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.