MKC70IK070

NTSB incident investigation · Boeing 747 · Salina, KS · June 11, 1970

Incident · No injuriesClosed
Date
June 11, 1970
Place
Salina, KS · SALINA, KS
Injuries
6 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N603USBoeing 747
Status
Completed · report March 2, 1971
Report
Brief approved by the director
Case key
121587

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0059  70/6/11    SALINA,KANS         BOEING 747          CR-  0  0  6  TRAINING                  AIRLINE TRANSPORT, AGE
        TIME - 1105                    N603US              PX-  0  0  0                            46, 15900 TOTAL HOURS, 20
                                       DAMAGE-MINOR        OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - SALINA
        OPERATOR - NORTHWEST AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          SALINA,KANS                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - COMBUSTION ASSEMBLY: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - POOR WELD
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- WELD IN NR 2 ENG DIFFUSER CASE BORESCOPE BOSS FAILED. ENG ACCESSORY COWLING SEPARATED. LND OK.

Aircraft

Registration
N603US
Reported as
Boeing 747
Category
Airplane
Engine
turbo fan
Damage
Minor damage
Airport
Salina

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.