# Accident 19940819022509A: Cessna R172K, Clarksburg, TN, August 19, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 19, 1994, 17:40 local time
- Place: Clarksburg, TN
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 35.8705° N, 88.3937° W: Placed by OpenAirDocs: center of Clarksburg, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8705&lon=-88.3937&mi=10
- Aircraft: N9797V, a cancelled registration (https://openairdocs.org/deregistered/N9797V-1994-11-03) (OpenAirDocs)
- Registry model: Cessna R172K (registry code 2072431, https://openairdocs.org/model/cessna-r172k) (OpenAirDocs)
- Reported make and model: CESSNA R172K
- Reported engine: CONT IO360K
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,238 total, 100 in this make and model, 17 in the last 90 days
- NTSB investigation: [NTSB ATL94LA158](https://openairdocs.org/ntsb/ATL94LA158) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940819022509A

## Narrative

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

LOST POWER EN ROUTE. LAND IN PASTURE HIT TREES. ALTERNATOR DRIVE COUPLING FAILED. DEBRIS FAILED OIL PUMP. LOST OIL.

## 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 ATL94LA158](https://openairdocs.org/ntsb/ATL94LA158), Aug 19, 1994: Cessna 172XP (N9797V), Clarksburg, TN, substantial damage. Probable cause: THE FAILURE OF THE ALTERNATOR DRIVE COUPLING, AND DEBRIS FROM THE FAILED COUPLING THAT LODGED IN THE ENGINE OIL PUMP, RESULTING IN A SHEARED OIL PUMP DRIVE SHAFT. THE ENGINE SUBSEQUENTLY FAILED…

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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