# NTSB Incident ATL90IA154
> **DASSAULT DA20F** · 1990-08-03 · CHAMBLEE, GA, USA · NONE
## Event
- **NTSB number:** ATL90IA154
- **Event ID:** 20001212X23887
- **Type:** Incident
- **Date:** 1990-08-03
- **Location:** CHAMBLEE, GA, USA
- **Coordinates:** 33.90015, -84.299018
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** DASSAULT
- **Model:** DA20F
- **Registration:** N457F
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE RIGHT FUEL CONTROL UNIT MALFUNCTIONED AND ALLOWED THE ENGINE SPEED TO DECREASE BELOW IDLE SPEED (45%) WHICH RESULTED IN AN ENGINE FIRE. FACTORS IN THE INCIDENT WERE: THE IMPROPER RIGGING OF THE FUEL CONTROL UNIT DURING INSTALLATION, AND THE FLIGHT CREW'S FAILURE TO MONITOR THE IDLE SPEED BEFORE ATTEMPTING TO DEPLOY THE RIGHT THRUST REVERSER.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL90IA154) · AI Analytics · CC0 1.0*