# NTSB Accident ERA12LA191
> **CESSNA 172N** · 2012-02-17 · Flat Rock, VA, USA · NONE
## Event
- **NTSB number:** ERA12LA191
- **Event ID:** 20120222X92352
- **Type:** Accident
- **Date:** 2012-02-17
- **Location:** Flat Rock, VA, USA
- **Coordinates:** 37.520278, -77.820274
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** CESSNA
- **Model:** 172N
- **Registration:** N4737D
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The partial loss of engine power due to the failure of the exhaust valve spring seat for reasons that could not be determined.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA12LA191) · AI Analytics · CC0 1.0*