# NTSB DCA71I0004: Boeing B747, N607US, Honolulu, HI, May 13, 1971

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: May 13, 1971
- Place: Honolulu, HI · HONOLULU, HI
- Location: 21.3069° N, 157.8583° W: Placed by OpenAirDocs: center of Honolulu, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.3069&lon=-157.8583&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 42 uninjured
- Status: Completed, report March 29, 1972
- Safety recommendations: Yes
- NTSB case key (mKey): 79532
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA71I0004
- Board report AAR7116 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7116.pdf
- Page: https://openairdocs.org/ntsb/DCA71I0004

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0005  71/5/13    HONOLULU,HAWAII     BOEING B747         CR-  0  0 11  SCHED INTERNATL PASSG SRV CERTIFICATE UNKNOWN, AGE
        TIME - 1335                    N607US              PX-  0  0 31                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - NORTHWEST AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          HONOLULU,HAWAII             TOKYO,JAPAN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: WHEEL TURBINE
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  AIRFRAME BUFFET
        REMARKS- FATIGUE CRACK ORIGTD IN NICKEL-PLATED AREA OF REWORKED TURBINE AIR SEAL LAND,PROGD INTO BASE MTRL.
```

## Aircraft

- Registration: [N607US](https://openairdocs.org/deregistered/N607US-1994-10-26), registration cancelled 1994-10-26, S/N 19784 (OpenAirDocs)
- Reported make and model: BOEING B747
- Registry model: [Boeing 747-151](https://openairdocs.org/model/boeing-747-151) (registry code 1384891) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: 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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