Stapleton Int'l Airport
Aircraft Accident/Incident Report

Denver, Colorado 80010
Thursday, August 21, 1986 20:24 MST

NTSB Narrative Summary Released at Completion of Accident

TWA FLT 735 LANDED AT DENVER STAPLETON ARPT. DURING THE TAXI TO THE PASSENGER TERMINAL, A FIRE ERUPTED IN THE TAILPIPE OF THE LEFT ENGINE. THE FLT CREW EXECUTED THE EMERGENCY EVACUATION PROCEDURES. FIRE WAS EXTINGUISHED. WITH NO DAMAGE TO THE ACFT OR ENGINE. POST INCIDENT EXAM REVEALED A MALFUNCTION FUEL FLOW REGULATOR.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 8/21/1986
Event Day of the Week Thursday
Time of Event 2024
Event Time Zone Mountain Standard Time
Event City DENVER
Event State COLORADO
Event Country --
Zipcode of the event site 80010
Event Date Year 1986
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport STAPLETON INT'L
Event Location Nearest Airport ID DEN
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 5330
Weather Briefing Completeness Not pertinent
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Dusk
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) 10
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 6
Injury Total None 233
Injury Total Serious --
Injury Total All 6
Investigating Agency NTSB
NTSB Docket Number (internal use) 5054
NTSB Notification Source --
NTSB Notification Date Aug 21 1986 12:00AM
NTSB Notification Time 2100
Fiche Number and/or location -used to find docket information 32896
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N31001
NTSB Number DEN86IA235
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name LOCKHEED
Aircraft Model L-1011-385-1
Aircraft Series Identifier L-1011-385
Aircraft Serial Number 1938-1013
Certified Max Gross Weight 450000
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 395
Number of Engines 3
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 35705
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name INTERFACE GROUP INCOPORATED
Aircraft Owner Street Address 300 FIRST AVE.
Aircraft Owner City NEEDHAM
Aircraft Owner State MA
Aircraft Owner Country
Aircraft Owner Zipcode 02194
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code TWAA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code STL
Departure City ST. LOUIS
Departure State MO
Departure Country
Departure Time 1840
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Taxi
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 20 2002 12:42PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --