# NTSB Accident LAX99LA277
> **Cessna T210L** · 1999-08-20 · BYRON, CA, USA · NONE
## Event
- **NTSB number:** LAX99LA277
- **Event ID:** 20001212X19560
- **Type:** Accident
- **Date:** 1999-08-20
- **Location:** BYRON, CA, USA
- **Coordinates:** 37.849376, -121.62075
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 6
- **Total aboard:** 6
## Aircraft
- **Make:** Cessna
- **Model:** T210L
- **Registration:** N5378V
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the operator's maintenance personnel to properly torque the cylinder and engine case through bolts during the replacement of five cylinders, which led to the spinning of the No. 2 main bearing and the resultant oil starvation induced catastrophic internal engine failure.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA277) · AI Analytics · CC0 1.0*