Individually Owned: 150,657
Corporate Owned: 137,281
Logan Int'l Airport
Aircraft Accident/Incident Report
Boston, Massachusetts 02128
Wednesday, March 30, 1988 18:30 EST
NTSB Narrative Summary Released at Completion of Accident
DRG TAXI TO GATE AFTER LDG, CREW STARTED APU NORMALLY. WHILE TAXIING NR 3 PNEUMATIC DUCT FAIL LT ILLUMINATED. LATER, THE CENTER ACCESSORY COMPT (CAC) DOOR WARNING LT ILLUMINATED AND GND PERS SAW SMOKE EMANATING FM THE FUSELAGE OUTFLOW VALVES. AFTER ENG SHUTDOWN, SMOKE ENTERED THE CABIN AND THE APU TRIPPED OFF. FIRE DEPT PERS FND CAC OUTSIDE DOOR HOT, THEN, USING CABIN FLOOR HATCH, OBSRVED 1-2 FT HIGH FLAMES IN CAC. FIRE WAS EXTINGUISHED WITH DMG LIMITED TO CAC. INVEST REVEALED IMPROPER/LOOSE BATTERY GND CONNECTION. NORMAL CABLE MOVEMENT WOULD LOOSEN CONNECTION DRG BATT DISCONNECT. BURNED INSULATION BLANKETS MET SPEC BUT WERE COATED WITH SYNTHETIC HYD FLUID (SLAT ACTUATOR LKG) AND JET FUEL. FIRE PATTERN SUGGESTED FUEL SEEPAGE ALONG BULKHEAD FASTENER LINE. BATT GND LAST INSTALLED NOV,87. BATT LAST CHDG 2 WKS BEFORE INCIDENT. SERVICE BULLETIN PERTAINING TO BATT GND NOT COMPLIED. INOPERATIVE CAC DRAIN VALVES ALLOWED FUEL TO POOL IN CAC BILGE. NO CAC FIRE WARNING OR EXTINGUISHER SYSTEM WAS INSTALLED.
NTSB Probable Cause Narrative
THE IMPROPER INSTALLATION OF THE BATTERY GROUND CONNECTION THAT RESULTED IN PREMATURE LOOSENING OF THE CONNECTION AND ELECTRICAL ARC IGNITION OF POOLED FUEL IN THE CAC BILGE. THE FUEL WAS NOT DRAINED OVERBOARD DUE TO INOPERATIVE CAC BILGE AREA DRAIN VALVES. CONTRIBUTING TO THE INCIDENT WAS NORTHWEST'S NON-COMPLIANCE WITH A SERVICE BULLETIN TO MODIFY THE GROUND CABLE ATTACHMENT BRACKET TO PREVENT LOOSENING OF THE CONNECTION.
Event Information
| Type of Event | Incident |
| Event Date | 3/30/1988 |
| Event Day of the Week | Wednesday |
| Time of Event | 1830 |
| Event Time Zone | Eastern Standard Time |
| Event City | BOSTON |
| Event State | MASSACHUSETTS |
| Event Country | -- |
| Zipcode of the event site | 02128 |
| Event Date Year | 1988 |
| Event Date Month | 3 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | LOGAN INT'L |
| Event Location Nearest Airport ID | BOS |
| 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 | 20 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1750 Eastern Standard Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | BOS |
| Elevation of weather observation facility | 20 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | EST |
| Lighting Conditions | Dusk |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 20000 |
| Sky/Lowest/Cloud Conditions | Thin Broken |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 15 |
| Air Temperature at event time (in degrees celsius) | 6 |
| Dew Point at event time (in degress fahrenheit) | 0 |
| Wind Direction (degrees magnetic) | 150 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 4 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 86 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 5102 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Mar 30 1988 12:00AM |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 39211 |
| Date of most recent change to record | Dec 13 2000 11:37AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N154US |
| NTSB Number | DCA88IA044 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | -- |
| Damage | Minor |
| Aircraft Fire | Ground |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | MCDONNELL DOUGLAS |
| Aircraft Model | DC-10-40 |
| Aircraft Series Identifier | DC-10-40 |
| Aircraft Serial Number | 46763 |
| Certified Max Gross Weight | 555000 |
| 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 | 270 |
| Number of Engines | 3 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Continuous Airworthiness |
| Date of Last Inspection | Mar 21 1988 12:00AM |
| Airframe hours since last inspection | 61 |
| Airframe Hours | 33818 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | NORTHWEST AIRLINES, INC. |
| Aircraft Owner Street Address | MINN. ST. PAUL INT'L AIRPORT |
| Aircraft Owner City | ST. PAUL |
| Aircraft Owner State | MN |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 55111 |
| 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 | NWAA |
| 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 | JFK |
| Departure City | NEW YORK |
| Departure State | NY |
| Departure Country | |
| Departure Time | 1753 |
| Departure Time Zone | EST |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | BOS |
| 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 | 4R |
| Runway Length | 10005 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |