# NTSB Incident FTW95IA397
> **MBB BO-105C** · 1995-09-18 · LAFAYETTE, LA, USA · NONE
## Event
- **NTSB number:** FTW95IA397
- **Event ID:** 20001207X04486
- **Type:** Incident
- **Date:** 1995-09-18
- **Location:** LAFAYETTE, LA, USA
- **Coordinates:** 30.159324, -92.030441
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MBB
- **Model:** BO-105C
- **Registration:** N91070
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

a short in the 'jam proof system' solenoid valve which prevented activation of the backup hydraulic system and resulting in a cyclic hardover.  Factors were the contaminated hydraulic fluid and the resulting jammed actuator (longitudinal control slider).

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW95IA397) · AI Analytics · CC0 1.0*