# NTSB Accident CEN13LA443
> **GRUMMAN G-164A** · 2013-07-29 · Monte Vista, CO, USA · NONE
## Event
- **NTSB number:** CEN13LA443
- **Event ID:** 20130729X20629
- **Type:** Accident
- **Date:** 2013-07-29
- **Location:** Monte Vista, CO, USA
- **Coordinates:** 37.581665, -106.053054
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GRUMMAN
- **Model:** G-164A
- **Registration:** N5324
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The partial loss of engine power due to a fatigue failure of the engine cylinder exhaust rocker housing as a result of an excessively torqued rocker assembly.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN13LA443) · AI Analytics · CC0 1.0*