# NTSB OAK65A0076: Boeing 707 321B, N761PA, San Francisco, CA, June 28, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1965
- Place: San Francisco, CA · SAN FRANCISCO, CA
- Location: 37.7750° N, 122.4194° W: Placed by OpenAirDocs: center of San Francisco, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7750&lon=-122.4194&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 153 uninjured
- Status: Completed, report November 3, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 178001
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK65A0076
- Page: https://openairdocs.org/ntsb/OAK65A0076

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0020  65/6/28    SAN FRANCISCO CAL   BOEING 707 321B     CR-  0  0 10  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 1310                    N761PA              PX-  0  0143                            44, 17736 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2606 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAN FRANCISCO INT
        OPERATOR - PAN AMERICAN WORLD AIRWAYS,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           POWERPLANT - TURBINE ASSEMBLY: WHEEL TURBINE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER CLEARANCE-TOLERANCE
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- RT.WGTIP & NO.4 ENG.SEPARATED IN FLT.  DURING OVERHAUL NO.4 RNG SERVICEABLE WORN PARTS INSTALLED.
```

## Aircraft

- Registration: N761PA (not matched to a registry record)
- Reported make and model: BOEING 707 321B
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport: San Francisco Int

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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