# Incident 19990313014129I: Gulstm GIV, Durango, CO, March 13, 1999

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 13, 1999, 15:30 local time
- Place: Durango, CO
- Airport: Durango-La Plata County
- Damage: Minor damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 37.2708° N, 107.8796° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.2708&lon=-107.8796&mi=10
- Aircraft: N411WW (not matched to a registry record)
- Reported make and model: GULSTM GIV
- Reported engine: RROYCE TAYMK6108
- Fatal injuries: 0
- NTSB investigation: [NTSB DEN99IA053](https://openairdocs.org/ntsb/DEN99IA053) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990313014129I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(.19) ON MARCH 13, 1999, APPROXIMATELY 1530 MOUNTAIN STANDARD TIME, A GULFSTREAM AEROSPACE G-IV, N411WW, RECEIVED MINOR DAMAGE TO THE LEFT ENGINE FOLLOWING AN AIRBORNE FIRE WHILE IN CRUISE FLIGHT NEAR DURANGO, COLORADO. THE AIRLINE TRANSPORT RATED CAPTAIN AND FIRST OFFICER WERE NOT INJURED. THE AIRPLANE WAS BEING OPERATED BY ZENO AIR INC. OF CHICAGO, ILLINOIS, UNDER TITLE 14 CFR PART 91. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE CROSS-COUNTRY POSITIONING FLIGHT WHICH ORIGINATED AT SANTA BARBARA, CALIFORNIA, APPROXIMATELY 1 HOUR 20 MINUTES BEFORE THE INCIDENT. AN IFR FLIGHT PLAN HAD BEEN FILED WITH A DESTINATION OF CHICAGO MIDWAY AIRPORT, CHICAGO, ILLINOIS. ACCORDING TO THE CAPTAIN, THE AIRPLANE WAS CRUISING AT 41,000 FEET MSL WHEN THE CREW NOTICED LOW FUEL FLOW AND LOW EGT READINGS ON THE LEFT ENGINE. HE FURTHER STATED THAT THE OIL TEMPERATURE AND FUEL TEMPERATURE GAUGES BEGAN TO RISE ON THE SAME ENGINE. HE REQUESTED CLEARANCE TO DESCEND AND AS HE REDUCED THE THROTTLE, THE FIRE LIGHT ON THE LEFT ENGINE ILLUMINATED. HE PULLED THE LEFT FIRE T-HANDLE AND THE FIRE LIGHT EXTINGUISHED. THE CREW SECURED THE ENGINE AND LANDED. THE LOWER FORWARD AREA OF THE LEFT ENGINE NACELLE WAS DAMAGED BY FIRE. (-23)FLIGHT CREW HAD INDICATION OF IN-FLIGHT FIRE. LEFT ENGINE "T" HANDLE PULLED, LANDING MADE AT DRO WAS OTHERWISE UNEVENTFUL. NO INJURIES ON THE GROUND OR IN THE A/C. THE LEFT ENGINE NEEDLE WAS  DAMAGED BY THE FIRE. THE FULL EXTENT OF THE DAMAGE OR THE EXACT CAUSE OF THE FIRE REMAIN TO BE DETERMINED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN99IA053](https://openairdocs.org/ntsb/DEN99IA053), Mar 13, 1999: Gulfstream G-IV (N411WW), Durango, CO, incident, minor damage. Probable cause: The failure of the number four fuel line. Factors were the chaffing of the alternator's electrical wires on the number four fuel line, and the subsequent fire in the number one engine nacelle.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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