NTSB Identification: DCA71I0004
14 CFR Part 121 Scheduled operation of NORTHWEST AIRLINES INC
Aircraft: BOEING B747, registration: N607US

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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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.

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