# NTSB Accident CEN24LA121
> **PIPER PA-28-181** · 2024-02-25 · Watertown, SD, USA · NONE
## Event
- **NTSB number:** CEN24LA121
- **Event ID:** 20240226193836
- **Type:** Accident
- **Date:** 2024-02-25
- **Location:** Watertown, SD, USA
- **Coordinates:** 44.916092, -97.154862
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-28-181
- **Registration:** N38696
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of the engine in an overly rich fuel condition.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN24LA121) · AI Analytics · CC0 1.0*