# NTSB Accident LAX99LA159
> **Cessna R182** · 1999-04-21 · SAN LUIS OBISPO, CA, USA · NONE
## Event
- **NTSB number:** LAX99LA159
- **Event ID:** 20001205X00506
- **Type:** Accident
- **Date:** 1999-04-21
- **Location:** SAN LUIS OBISPO, CA, USA
- **Coordinates:** 35.290298, -120.809814
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Cessna
- **Model:** R182
- **Registration:** N7317X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

The inadequate preflight inspection of the aircraft by the pilot-in-command which resulted in a loss of engine power due to water contamination in the fuel system.  A factor in the accident was an improper maintenance alteration which disabled a fuel sump drain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA159) · AI Analytics · CC0 1.0*