# NTSB Accident CEN24LA141
> **Cozy Mark IV** · 2024-03-25 · Gonzales, TX, USA · NONE
## Event
- **NTSB number:** CEN24LA141
- **Event ID:** 20240326193992
- **Type:** Accident
- **Date:** 2024-03-25
- **Location:** Gonzales, TX, USA
- **Coordinates:** 29.532729, -97.46641
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Cozy
- **Model:** Mark IV
- **Registration:** N20MN
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Maintenance personnel’s failure to properly torque the crankshaft idler gear hardware according to the engine manufacturer’s service instructions, which resulted in separation of the crankshaft idler gear’s fasteners and disengagement of the camshaft, crankshaft, and crankshaft idler gear and a subsequent total loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN24LA141) · AI Analytics · CC0 1.0*