# NTSB LAX77IA037: Lockheed 1011, N707DA, San Diego, CA, April 13, 1977

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: April 13, 1977
- Place: San Diego, CA · SAN DIEGO, CA
- Location: 32.7153° N, 117.1573° W: Placed by OpenAirDocs: center of San Diego, CA, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7153&lon=-117.1573&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 46 uninjured
- Status: Completed, report July 25, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 152439
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX77IA037
- Page: https://openairdocs.org/ntsb/LAX77IA037

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0004  77/4/13  NR.SAN DIEGO,CA       LOCKHEED 1011       CR-  0  0  9  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0012                    N707DA              PX-  0  0 37                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - LINDBERG FIELD
        OPERATOR - DELTA AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
         SAN DIEGO,CA                 LOS ANGELES,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: ELEVATOR AND ELEVATOR TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        REMARKS- L ELEV OUTBOARD AFT DRIVE QUAD UPPER BEARING ASSY FAILED.LNDD LAX OK.
```

## Aircraft

- Registration: N707DA (not matched to a registry record)
- Reported make and model: LOCKHEED 1011
- Category: Airplane
- Engines: turbo fan
- Damage: Minor damage
- Airport: Lindberg Field

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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