# NTSB NYC73AN057: Boeing 727, N498US, Washington, DC, October 30, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 30, 1972
- 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: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 27 uninjured
- Status: Completed, report March 29, 1973
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79510
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73AN057
- Page: https://openairdocs.org/ntsb/NYC73AN057

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0046  72/10/30   WASHINGTON,DC       BOEING 727          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1647                    N498US              PX-  0  0 21                            31, 4850 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1271 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT -  WASHINGTON NATL
        OPERATOR - NORTHWEST AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CLEVELAND,OHIO              WASHINGTON,DC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- LEFT MAIN LDG GEAR TRUNNION SUPPORT BEAM SEPARATED.
```

## Aircraft

- Registration: N498US (not matched to a registry record)
- Reported make and model: BOEING 727
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport:  Washington Natl

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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