# NTSB DCA71IZ003: Boeing 737, N9003U, Washington, DC, December 31, 1970

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: December 31, 1970
- Place: Washington, DC · WASHINGTON, DC
- Location: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8951&lon=-77.0364&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 23, 1971
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79497
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA71IZ003
- Page: https://openairdocs.org/ntsb/DCA71IZ003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0080  70/12/31   WASHINGTON,DC       BOEING 737          CR-  0  0  3  SCHED DOM PASSG SRV       UNK/NR INSTRUMENT RATED.
        TIME - 1202                    N9003U              PX-  0  0  0
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - WASH NATL ARPT
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          WASHINGTON,DC               KNOXVILLE,TENN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: ON GROUND                             STATIC: PARKED-ENGINES NOT OPERATING
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN CABIN,COCKPIT,BAGGAGE COMPARTMENT
        REMARKS- EXPLOSION AND FIRE IN CABIN FROM UNDETERMINED SOURCE DURING OXYGEN SERVICING. PLTS AND PAX NOT ABD
```

## Aircraft

- Registration: [N9003U](https://openairdocs.org/deregistered/N9003U-1997-10-14), registration cancelled 1997-10-14, S/N 19041 (OpenAirDocs)
- Reported make and model: BOEING 737
- Registry model: [Boeing 737-222](https://openairdocs.org/model/boeing-737-222) (registry code 1384473) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport: Wash Natl Arpt

## Other investigations on N9003U (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 SEA91IA081](https://openairdocs.org/ntsb/SEA91IA081), Apr 10, 1991: Boeing 737-222 (N9003U), Seattle, WA, incident, minor damage. Probable cause: TURBINE BLADE FAILURE FROM FATIGUE. FACTORS TO THE INCIDENT WERE INOPERATIVE ENGINE FIRE EXTINGUISHER, INADEQUATE SERVICE OF AIRCRAFT AND DELAYED DEPLOYMENT OF EMERGENCY SLIDE.

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.

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