# NTSB Accident SEA93LA055
> **BOEING A75N1** · 1993-01-20 · MEDICINE BOW, WY, USA · MINR
## Event
- **NTSB number:** SEA93LA055
- **Event ID:** 20001211X11759
- **Type:** Accident
- **Date:** 1993-01-20
- **Location:** MEDICINE BOW, WY, USA
- **Coordinates:** 41.889579, -106.199516
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BOEING
- **Model:** A75N1
- **Registration:** N56924
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** Unk
## Probable cause

FAILURE OF THE #7 CYLINDER ROCKER ARM. FACTORS CONTRIBUTING TO THE ACCIDENT WERE UNSUITABLE TERRAIN AND DARK NIGHT CONDITIONS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA93LA055) · AI Analytics · CC0 1.0*