# NTSB NYC77IA074: Douglas DC-10, N121AA, Boston, MA, July 28, 1977

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Closed
- Date: July 28, 1977
- Place: Boston, MA · BOSTON, MA
- Location: 42.3584° N, 71.0598° W: Placed by OpenAirDocs: center of Boston, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3584&lon=-71.0598&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 23 minor, 187 uninjured
- Status: Completed, report September 20, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145602
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77IA074
- Page: https://openairdocs.org/ntsb/NYC77IA074

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0007  77/7/28    BOSTON,MA           DOUGLAS DC-10       CR-  0  0 13  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1213                    N121AA              PX-  0  0197                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - LOGAN INTL
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          BOSTON,MA                   LOS ANGELES,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - COMPRESSOR ASSEMBLY: BLADE,COMPRESSOR ROTOR
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- FAILURE OCRD AT THE NR 11-13 SPOOL OF THE NR 2 ENG.GE SVC BULLETIN 72-682 CVRS-NOT C/W.
```

## Aircraft

- Registration: N121AA (not matched to a registry record)
- Reported make and model: DOUGLAS DC-10
- Category: Airplane
- Engines: turbo fan
- Damage: Minor damage
- Airport: Logan Intl

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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