# NTSB Accident MIA00LA053
> **Swertfeger VELOCITY 173 ELITE** · 1999-12-18 · MURFREESBORO, TN, USA · FATL
## Event
- **NTSB number:** MIA00LA053
- **Event ID:** 20001212X20292
- **Type:** Accident
- **Date:** 1999-12-18
- **Location:** MURFREESBORO, TN, USA
- **Coordinates:** 35.849521, -86.390296
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Swertfeger
- **Model:** VELOCITY 173 ELITE
- **Registration:** N627KB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of an unknown maintenance person to comply with an Airworthiness Directive (replace center body bellows seal assembly and tube bushings) and Service Bulletin (replace fuel diaphragm) resulting in an in-flight power loss due to an over rich condition caused by the failure of the center body bellows seal assembly, and subsequent forced landing and in-flight collision with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA00LA053) · AI Analytics · CC0 1.0*