# NTSB CHI78FEI01: Cessna 172N, N75791, Shelby, OH, October 8, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 8, 1977
- Place: Shelby, OH · SHELBY, OH
- Location: 40.8848° N, 82.6582° W: Placed by OpenAirDocs: center of Shelby, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8848&lon=-82.6582&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed, report November 17, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145294
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78FEI01
- Page: https://openairdocs.org/ntsb/CHI78FEI01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3151   77/10/8 NR.SHELBY,OH          CESSNA 172N         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 351
        TIME - 2004                    N75791              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 174 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CLEVELAND,OH                DAYTON,OH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: PUMPS-SCAVENGER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
           TERRAIN - HIGH VEGETATION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- OIL PUMP DRIVE IMPELLER ASSEMBLY P/N LW 15068 CRACKED & EXPANDED CAUSING ADJ TEETH TO FAIL.
```

## Aircraft

- Registration: [N75791](https://openairdocs.org/aircraft/N75791), registered now, S/N 17267951, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (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 19771008031979A](https://openairdocs.org/incident/19771008031979A), Oct 8, 1977: Cessna 172N, Shelby, OH, Substantial damage. Oil pump drive impeller assembly p/n lw 15068 cracked & expanded causing adj teeth to fail.

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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