# NTSB NYC77IA034: Boeing 737, N9016U, Flushing, NY, February 28, 1977

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: February 28, 1977
- Place: Flushing, NY · FLUSHING, NY
- Location: 40.7654° N, 73.8174° W: Placed by OpenAirDocs: center of Flushing, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7654&lon=-73.8174&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 67 uninjured
- Status: Completed, report April 21, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 152444
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77IA034
- Page: https://openairdocs.org/ntsb/NYC77IA034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0012  77/2/28  NR.FLUSHING,NY        BOEING 737          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1537                    N9016U              PX-  0  0 61                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CLEVELAND,OH                FLUSHING,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           AIRFRAME - FLIGHT CONTROL SURFACES: FLAP ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- FLAP ASYMMETRY CABLE BROKE AT CHANGE OF DIRECTION PULLEY IN L WHEEL WELL AREA.P/N GF-10987-549.
```

## Aircraft

- Registration: [N9016U](https://openairdocs.org/deregistered/N9016U-2003-04-22), registration cancelled 2003-04-22, S/N 19054, built 1968 (OpenAirDocs)
- Reported make and model: BOEING 737
- Registry model: [Boeing 737-222](https://openairdocs.org/model/boeing-737-222) (registry code 1384473) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT8D-9 series](https://openairdocs.org/engine/pratt-whitney-jt8d-9-series) (registry code 52048, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No damage

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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