# NTSB LAX70IL077: Boeing 727, N528PS, Bakersfield, CA, June 28, 1970

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: June 28, 1970
- Place: Bakersfield, CA · BAKERSFIELD, CA
- Location: 35.3733° N, 119.0187° W: Placed by OpenAirDocs: center of Bakersfield, CA, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3733&lon=-119.0187&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 94 uninjured
- Status: Completed, report December 8, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 121687
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70IL077
- Page: https://openairdocs.org/ntsb/LAX70IL077

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0016  70/6/28  NR.BAKERSFIELD,CALIF  BOEING 727          CR-  0  0  7  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0805                    N528PS              PX-  0  0 87  SCHED PASSG SRV           37, 6910 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            1307 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        DEPARTURE POINT             INTENDED DESTINATION
          BURBANK,CALIF               SAN FRANCISCO,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           POWERPLANT - COMPRESSOR ASSEMBLY: DISC, COMPRESSOR ROTOR
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- NR 1 ENG,7TH STAGE COMPRESSOR DISC,FAILED. DMGD COWLING,VERT STAB.IMPROPER MANUFACTURING TECHNIQUE
```

## Aircraft

- Registration: [N528PS](https://openairdocs.org/deregistered/N528PS-1972-05-25), registration cancelled 1972-05-25, S/N 19683 (OpenAirDocs)
- Reported make and model: BOEING 727
- Registry model: [Boeing 727-214](https://openairdocs.org/model/boeing-727-214) (registry code 138407R) (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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