# Accident 19890804027369A: Cessna 172G, Mc Kinney, TX, August 4, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 4, 1989, 22:30 local time
- Place: Mc Kinney, TX
- Airport: Mc Kinney Municipal Airport
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 33.1800° N, 96.5903° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.1800&lon=-96.5903&mi=10
- Aircraft: N4377L, a cancelled registration (https://openairdocs.org/deregistered/N4377L-1991-08-28) (OpenAirDocs)
- Registry model: Cessna 172G (registry code 2072420, https://openairdocs.org/model/cessna-172g) (OpenAirDocs)
- Reported make and model: CESSNA 172G
- Reported engine: CONT O300D
- People aboard: 4
- Fatal injuries: 0
- Pilot flight hours: 600 total, 550 in this make and model, 50 in the last 90 days
- NTSB investigation: [NTSB FTW89LA144](https://openairdocs.org/ntsb/FTW89LA144) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890804027369A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENGINE FAILED EN ROUTE. STRUCK TREES ON THE NIGHT FORCED LANDING. EXHAUST VALVE ROCKER ARM SHAFT HAD BROKEN.

## The NTSB's investigation of this event (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 FTW89LA144](https://openairdocs.org/ntsb/FTW89LA144), Aug 5, 1989: Cessna 172G (N4377L), Mckinney, TX, substantial damage. Probable cause: TOTAL FAILURE OF THE ENGINE ASSEMBLY/ROCKER ARM/TAPPET SHAFT.

## Other reports on N4377L (1)

Matched to the same aircraft by N-number and date.

- [Accident 19810606032779A](https://openairdocs.org/incident/19810606032779A), Jun 6, 1981: Cessna 172G (N4377L), Shallowater, TX, Substantial damage. Unable to lift off due to uphill, heat, and elevation. Aborted, ran off end of runway and overturned.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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