# NTSB Accident LAX97LA221
> **Staudaucher S300D** · 1997-05-31 · CHANDLER, AZ, USA · NONE
## Event
- **NTSB number:** LAX97LA221
- **Event ID:** 20001208X07966
- **Type:** Accident
- **Date:** 1997-05-31
- **Location:** CHANDLER, AZ, USA
- **Coordinates:** 33.32088, -111.820373
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Staudaucher
- **Model:** S300D
- **Registration:** N540DH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The owner/pilot's decision to use automotive hardware, which had not been heat treated, and the practice of adding aluminum plates to the trailing edge of the aileron without rebalancing the flight controls, which resulted in the separation of the aileron at the attachment fitting.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX97LA221) · AI Analytics · CC0 1.0*