# NTSB Accident CHI97LA242
> **Boeing B75N1** · 1997-07-30 · LONE ROCK, WI, USA · NONE
## Event
- **NTSB number:** CHI97LA242
- **Event ID:** 20001208X08349
- **Type:** Accident
- **Date:** 1997-07-30
- **Location:** LONE ROCK, WI, USA
- **Coordinates:** 43.180381, -90.200576
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Boeing
- **Model:** B75N1
- **Registration:** N75939
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

a locked right brake which resulted in the pilot's inability to maintain direction control of the airplane during the landing roll.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI97LA242) · AI Analytics · CC0 1.0*