Aircraft Accident/Incident Report

Detroit, Michigan 48111
Thursday, April 25, 1985 10:45 EST

NTSB Narrative Summary Released at Completion of Accident

THE FLT CREWMEMBERS OF THE JUMBO JET WERE PREPARING TO START THE ENGS WHEN FLT ATTENDANTS (F/A'S) IN THE FORWARD CABIN DETECTED A FAINT ODOR PRIOR TO CLOSING DOOR 1L. THE SOURCE COULD NOT BE DETERMINED, SO THE DOOR WAS CLOSED IN PREPARATION FOR A PUSHBACK. SHORTLY THEREAFTER, SMOKE WAS DISCOVERED IN THE VICINITY OF THE OVERHEAD BIN AT ROW 16. THE CAPTAIN WAS NOTIFIED & HE ORDERED THAT 'OCCUPANTS EVACUATE, IF THERE IS A FIRE ONBOARD.' THE JETWAY WAS BROUGHT BACK TO DOOR 1L. THE SMOKE DISSIPATED; THUS, THE F/A'S AT DOORS 1R, 2L & 2R DID NOT OPEN THEIR DOORS. HOWEVER, THE F/A'S AT THE OTHER 6 DOORS WERE UNAWARE OF THE SITUATION & CONTINUED THE EVACUATION. THE RAMPS AT DOORS 3L & 3R DID NOT INFLATE & DOOR 5R JAMMED HALFWAY OPEN. THE RAMP PACKS FOR 3R & 3L WERE IMPROPERLY MOUNTED. THE 5R PACK BOARD WAS MADE FOR A LEFT HAND DOOR & THE LANYARD WAS NOT CONNECTED TO THE BOTTOM PANEL PULLEY. AN EXAM REVEALED A BALLAST FOR AN OVERHEAD FLOURESCENT LIGHT, PN 69-33C, HAD OVERHEATED & MELTED THE PLASTIC CASE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 4/25/1985
Event Day of the Week Thursday
Time of Event 1045
Event Time Zone Eastern Standard Time
Event City DETROIT
Event State MICHIGAN
Event Country --
Zipcode of the event site 48111
Event Date Year 1985
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 850 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 210
Weather Observation Facility ID DTW
Elevation of weather observation facility 639
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 2300
Lowest Non-Ceiling Height 2300
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
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) 11
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
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 42
Injury Total None 439
Injury Total Serious --
Injury Total All 42
Investigating Agency NTSB
NTSB Docket Number (internal use) 5008
NTSB Notification Source --
NTSB Notification Date Apr 25 1985 12:00AM
NTSB Notification Time 1215
Fiche Number and/or location -used to find docket information 27825
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9663
NTSB Number DCA85IA019
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 BOEING
Aircraft Model 747-123
Aircraft Series Identifier 747-123
Aircraft Serial Number SN20102
Certified Max Gross Weight 710000
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 495
Number of Engines 4
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection --
Airframe hours since last inspection 271
Airframe Hours 38827
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNITED AIR CARRIERS
Aircraft Owner Street Address BUILDING, 178 JFK INT'L APRT.
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode 11430
Operator is an individual? --
Operator Name UNITED AIR CARRIERS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address BUILDING 178
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
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 Non-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 Yes
Departure Airport Code DTW
Departure City DETROIT
Departure State MI
Departure Country
Departure Time 1030
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code LAS
Destination City LAS VEGAS
Destination State NV
Destination Country
Specific Phase of Flight Standing
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 --