# NTSB Accident LAX04LA022
> **American AA-1** · 2003-10-22 · San Martin, CA, USA · SERS
## Event
- **NTSB number:** LAX04LA022
- **Event ID:** 20031028X01820
- **Type:** Accident
- **Date:** 2003-10-22
- **Location:** San Martin, CA, USA
- **Coordinates:** 37.681667, -121.596946
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** American
- **Model:** AA-1
- **Registration:** N5968L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The absence of compression in two of the airplane's four cylinders, and the pilot/mechanic's failure to maintain the engine in an airworthy condition, which resulted in a loss of engine power during takeoff-initial climb, and subsequent forced landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX04LA022) · AI Analytics · CC0 1.0*