# NTSB Accident CEN17LA093
> **PIPER J3C** · 2017-01-30 · Brenham, TX, USA · NONE
## Event
- **NTSB number:** CEN17LA093
- **Event ID:** 20170131X01649
- **Type:** Accident
- **Date:** 2017-01-30
- **Location:** Brenham, TX, USA
- **Coordinates:** 30.219722, -96.374443
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** J3C
- **Registration:** N7039H
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The reciprocating engine's exhaust valve being stuck in the “open” position, which resulted in a partial loss of engine power during initial climb.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN17LA093) · AI Analytics · CC0 1.0*