# NTSB IAD76II019: Boeing 737, N744, Bristol, TN, October 1, 1975

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: October 1, 1975
- Place: Bristol, TN · BRISTOL, TN
- Location: 36.5951° N, 82.1887° W: Placed by OpenAirDocs: center of Bristol, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.5951&lon=-82.1887&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 31 uninjured
- Status: Completed, report November 12, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151324
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD76II019
- Page: https://openairdocs.org/ntsb/IAD76II019

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0026   75/10/1 NR.BRISTOL,TN         BOEING 737          CR-  0  0  5  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0920                    N744                PX-  0  0 26                            51, 28000 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - TRI-CITY
        OPERATOR - PIEDMONT AVIATION,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          FLUSHING,NY                 ATLANTA,GA                  BRISTOL,TN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           SYSTEMS - FLIGHT CONTROL SYSTEMS: WING SPOILER SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- SPOILER MALFUNCTIONED,SHUTOFF VALVE BEARING CAGE FAILED.
```

## Aircraft

- Registration: N744 (not matched to a registry record)
- Reported make and model: BOEING 737
- Category: Airplane
- Engines: turbo jet
- Damage: No damage
- Airport: Tri-City

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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