# NTSB Accident DEN90LA064
> **CESSNA 170A** · 1990-02-23 · GALLUP, NM, USA · NONE
## Event
- **NTSB number:** DEN90LA064
- **Event ID:** 20001212X22554
- **Type:** Accident
- **Date:** 1990-02-23
- **Location:** GALLUP, NM, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 170A
- **Registration:** N9130A
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER OPERATION OF THE ENGINE DURING PREFLIGHT PREPARATION, WHICH RESULTED IN OVERHEATING OF THE ENGINE AND DAMAGE TO INTERNAL COMPONENTS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90LA064) · AI Analytics · CC0 1.0*