# NTSB Accident LAX01LA243
> **Bell 206B** · 2001-07-12 · San Francisco, CA, USA · NONE
## Event
- **NTSB number:** LAX01LA243
- **Event ID:** 20010713X01426
- **Type:** Accident
- **Date:** 2001-07-12
- **Location:** San Francisco, CA, USA
- **Coordinates:** 37.610397, -122.380706
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** Bell
- **Model:** 206B
- **Registration:** N474SF
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the accessory gearbox 2 1/2 bearing in fatigue resulting in the complete loss of engine power and a subsequent forced landing.  The pilot's failure to maintain directional control during the autorotational flare maneuver is also causal.  The operator's failure to comply with the recommendations in the engine service manual regarding removal of the engine from service for detailed inspection is a factor.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX01LA243) · AI Analytics · CC0 1.0*