# NTSB Accident DEN89LA122
> **CESSNA 175** · 1989-05-21 · SHERIDAN, WY, USA · NONE
## Event
- **NTSB number:** DEN89LA122
- **Event ID:** 20001213X28297
- **Type:** Accident
- **Date:** 1989-05-21
- **Location:** SHERIDAN, WY, USA
- **Coordinates:** 44.790443, -106.949378
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 175
- **Registration:** N7557M
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

BINDING (STUCK) #4 EXHAUST VALVE. HIGH VEGETATION (HAY) AND A HIDDEN OBSTRUCTION (DITCH) WERE CONTRIBUTING FACTORS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89LA122) · AI Analytics · CC0 1.0*