# NTSB CHI76IC025: Boeing 747, N93114, London, United Kingdom, September 11, 1975

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: September 11, 1975
- Place: London, United Kingdom · LONDON, United Kingdom
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 151 uninjured
- Status: Completed, report February 11, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 151327
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76IC025
- Page: https://openairdocs.org/ntsb/CHI76IC025

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0029  75/9/11    LONDON,ENGLAND      BOEING 747          CR-  0  0 20  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 0655                    N93114              PX-  0  0131                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - HEATHROW
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          LONDON,ENGLAND              CHICAGO,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- GENERAL DISINTEGRATION 4R WHEEL RIM B2602889 IMPROPER TEST PROCEDURES.SVC INFO LETTERS CVRS
```

## Aircraft

- Registration: [N93114](https://openairdocs.org/deregistered/N93114-1975-11-03), registration cancelled 1975-11-03, S/N 20081 (OpenAirDocs)
- Reported make and model: BOEING 747
- Registry model: [Boeing 747-131](https://openairdocs.org/model/boeing-747-131) (registry code 1384881) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Minor damage
- Airport: Heathrow

## Other investigations on N93114 (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 NYC74IN077](https://openairdocs.org/ntsb/NYC74IN077), Mar 17, 1974: Boeing 747 (N93114), N.Atlantic Ocean (Atlantic Ocean), incident, minor 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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