# NTSB NYC71IN096: Boeing 720, Albuquerque, NM, March 31, 1971

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: March 31, 1971
- Place: Albuquerque, NM · ALBUQUERQUE, NM
- Location: 35.0845° N, 106.6511° W: Placed by OpenAirDocs: center of Albuquerque, NM, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0845&lon=-106.6511&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 85 uninjured
- Status: Completed, report April 6, 1972
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79520
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71IN096
- Page: https://openairdocs.org/ntsb/NYC71IN096

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0016  71/3/31  NR.ALBUQUERQUE,N MEX  BOEING 720          CR-  0  0  7  SCHED DOM PASSG SRV       CERTIFICATE UNKNOWN, AGE
        TIME - 1400                    N7542AA             PX-  0  0 78                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          LOS ANGELES,CALIF           JAMAICA,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNCONTROLLED ALTITUDE DEVIATIONS                         IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           SYSTEMS - AUTO PILOT: TRANSMITTER
           MISCELLANEOUS ACTS,CONDITIONS - FLUCTUATING
           MISCELLANEOUS ACTS,CONDITIONS - ELONGATED
        REMARKS- UNWANTED ACFT TRIM.HRZN POS TRANS P/N 4572-8A1 SHAFT SLIPPED.CRANK P/N 66-9350-3 HOLE ENLGD-WEAR.
```

## Aircraft

- Registration: N7542AA (not matched to a registry record)
- Reported make and model: BOEING 720
- Category: Airplane
- Engines: turbo jet
- 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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