# NTSB Accident LAX92LA038
> **QUESTAIRE VENTURE** · 1991-11-02 · SAN LUIS OBISPO, CA, USA · NONE
## Event
- **NTSB number:** LAX92LA038
- **Event ID:** 20001212X18469
- **Type:** Accident
- **Date:** 1991-11-02
- **Location:** SAN LUIS OBISPO, CA, USA
- **Coordinates:** 35.250274, -120.620811
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** QUESTAIRE
- **Model:** VENTURE
- **Registration:** N71T
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S INABILITY TO CONTROL THE AIRCRAFT DURING THE LANDING ROLL DUE TO A FAILURE OF THE LEFT BRAKE AND NOSE WHEEL STEERING SYSTEMS.  THE FAILURE OF THE BRAKE AND STEERING SYSTEMS WAS DUE TO A DETERIORATION OF THE 'O' RING SEALS CAUSED BY THE USE OF HYDRAULIC FLUID INCOMPATIBLE WITH THE RUBBER MATERIAL IN THE SEALS.  A FACTOR IN THE ACCIDENT WAS THE INADEQUATE SYSTEM DESIGN BY THE KIT MANUFACTURER.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX92LA038) · AI Analytics · CC0 1.0*