# NTSB Accident LAX99LA276
> **Mooney M20E** · 1999-08-20 · LAKEPORT, CA, USA · SERS
## Event
- **NTSB number:** LAX99LA276
- **Event ID:** 20001212X19559
- **Type:** Accident
- **Date:** 1999-08-20
- **Location:** LAKEPORT, CA, USA
- **Coordinates:** 39.039512, -122.929367
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Mooney
- **Model:** M20E
- **Registration:** N6022Q
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of engine shop maintenance personnel to tighten the fuel line fitting during assembly of the engine, and failure of the installing maintenance personnel to detect and tighten the loose fitting during the engine installation and annual inspection.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA276) · AI Analytics · CC0 1.0*