# NTSB Accident LAX99LA245
> **Hughes 369D** · 1999-07-03 · OAKDALE, CA, USA · NONE
## Event
- **NTSB number:** LAX99LA245
- **Event ID:** 20001212X19296
- **Type:** Accident
- **Date:** 1999-07-03
- **Location:** OAKDALE, CA, USA
- **Coordinates:** 37.799346, -120.740806
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Hughes
- **Model:** 369D
- **Registration:** N8661F
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The disintegration and failure of the oil pump drive spur gear aft bearing, which resulted in failure of the oil pump and subsequent oil starvation to the engine's turbine module.  A factor in the accident was the failure of company maintenance personnel to comply with the manufacturer's service bulletin regarding replacement of the bearing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA245) · AI Analytics · CC0 1.0*