# NTSB Incident BFO93IA175
> **BOEING 757-200ER** · 1993-09-13 · JAMAICA, NY, USA · NONE
## Event
- **NTSB number:** BFO93IA175
- **Event ID:** 20001211X13324
- **Type:** Incident
- **Date:** 1993-09-13
- **Location:** JAMAICA, NY, USA
- **Coordinates:** 40.650669, -73.790794
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 85
- **Total aboard:** 85
## Aircraft
- **Make:** BOEING
- **Model:** 757-200ER
- **Registration:** N757NA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FAILURE OF THE LEFT HYDRAULIC PRESSURE SWITCH, WHICH CAUSED THE LEFT YAW DAMPER MODULE TO BECOME INOPERATIVE RESULTING IN UNCOMMANDED RUDDER MOVEMENTS DURING FLIGHT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=BFO93IA175) · AI Analytics · CC0 1.0*