# NTSB Accident WPR12LA306
> **CESSNA 172N** · 2012-07-16 · Rockford, ID, USA · NONE
## Event
- **NTSB number:** WPR12LA306
- **Event ID:** 20120716X64803
- **Type:** Accident
- **Date:** 2012-07-16
- **Location:** Rockford, ID, USA
- **Coordinates:** 43.189445, -112.531669
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 172N
- **Registration:** N5204K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A partial loss of engine power during cruise flight due to the failure of the No. 3 cylinder exhaust valve for reasons that could not be determined due to the damage to the valve head and the missing valve stem. Contributing to the accident was the flight instructor’s improper approach to the runway, which resulted in an aborted landing and subsequent off-airport landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR12LA306) · AI Analytics · CC0 1.0*