# NTSB Accident LAX99LA065
> **Mooney M20K** · 1999-01-03 · DELANO, CA, USA · MINR
## Event
- **NTSB number:** LAX99LA065
- **Event ID:** 20001204X00074
- **Type:** Accident
- **Date:** 1999-01-03
- **Location:** DELANO, CA, USA
- **Coordinates:** 35.780529, -119.229927
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Mooney
- **Model:** M20K
- **Registration:** N1079G
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

The fatigue failure and separation of the oil pump drive from the accessory gear section, which induced an oil starvation failure of the engine.  The fatigue failure of the oil pump drive gear was caused by improper machining of the gear's fillet radius during original manufacture.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA065) · AI Analytics · CC0 1.0*