# NTSB LAX73IL029: Lockheed 1011, N11003, Grand Junctn, CO, January 10, 1973

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: January 10, 1973
- Place: Grand Junctn, CO · GRAND JUNCTN, CO
- Location: 39.0639° N, 108.5506° W: Placed by OpenAirDocs: center of Grand Junction, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0639&lon=-108.5506&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 79 uninjured
- Status: Completed, report April 18, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169681
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX73IL029
- Page: https://openairdocs.org/ntsb/LAX73IL029

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0005  73/1/10  NR.GRAND JUNCTN,COLO  LOCKHEED 1011       CR-  0  0  9  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1259                    N11003              PX-  0  0 70                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CHICAGO,ILL                 LOS ANGELES,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: FAN
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- NR 1 ENG FAN DISC FAILED.FAN ASSEMBLY SEPARATED. NRS 1 & 3 ENGS & AIRFRAME DMGD BY DEBRIS.LND OK.
```

## Aircraft

- Registration: [N11003](https://openairdocs.org/deregistered/N11003-2013-08-20), registration cancelled 2013-08-20, S/N 193B-1015, built 1972 (OpenAirDocs)
- Reported make and model: LOCKHEED 1011
- Registry model: [Lockheed L-1011-385-1](https://openairdocs.org/model/lockheed-l-1011-385-1) (registry code 5265010) (OpenAirDocs)
- Registry engine: [Rolls-Royce RB-211-22 series](https://openairdocs.org/engine/rolls-royce-rb-211-22-series) (registry code 54554, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Minor damage

## Other investigations on N11003 (1)

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.

- [NTSB CHI97IA134](https://openairdocs.org/ntsb/CHI97IA134), May 15, 1997: Lockheed L-1011-385-1 (N11003), Saint Louis, MO, incident, minor damage. Probable cause: failure of company maintenance personnel to properly install a mounting eyebolt (and associated cotter pin, washer, spacer and castellated nut) on the lower forward bracket of the left main landing…

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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