# NTSB LAX77FUM23: Piper PA-28R, N5021S, San Diego, CA, March 23, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 23, 1977
- Place: San Diego, CA · SAN DIEGO, CA
- Location: 32.7153° N, 117.1573° W: Placed by OpenAirDocs: center of San Diego, CA, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7153&lon=-117.1573&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 8, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157326
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX77FUM23
- Page: https://openairdocs.org/ntsb/LAX77FUM23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0350  77/3/23    SAN DIEGO,CA        PIPER PA-28R        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 29, 509
        TIME - 0630                    N5021S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 2 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NORTH ISLAND,CA             PHOENIX,AZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: VALVES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - WRONG PART
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- WRONG OIL QUICK DRAIN VALVE INSTALLED. NOSE GR SCISSORS CTCD VALVE,OIL LOST OVR BOARD.
```

## Aircraft

- Registration: [N5021S](https://openairdocs.org/deregistered/N5021S-1984-08-02), registration cancelled 1984-08-02, S/N 28R-35755 (OpenAirDocs)
- Reported make and model: PIPER PA-28R
- Registry model: [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200) (registry code 7102811) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19770323003959A](https://openairdocs.org/incident/19770323003959A), Mar 23, 1977: Piper PA28R200, San Diego, CA, Substantial damage. Wrong oil quick drain valve installed. Nose gr scissors ctcd valve,oil lost ovr board.

## Other investigations on N5021S (1)

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.

- [NTSB LAX84LA027](https://openairdocs.org/ntsb/LAX84LA027), Oct 23, 1983: Piper PA-28R-200 (N5021S), San Diego, CA, destroyed

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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