# NTSB Accident ERA18FA137
> **PIPER PA28R** · 2018-04-28 · Gainesville, GA, USA · FATL
## Event
- **NTSB number:** ERA18FA137
- **Event ID:** 20180428X83650
- **Type:** Accident
- **Date:** 2018-04-28
- **Location:** Gainesville, GA, USA
- **Coordinates:** 34.25, -83.972778
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** PIPER
- **Model:** PA28R
- **Registration:** N4363F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A partial loss of engine power due to inadequate thru-bolt and stud preload tension by undetermined maintenance personnel, which resulted in fretting between the engine crankcase halves, and the subsequent separation of the No. 2 cylinder due to the fatigue failure of the No. 2 cylinder stud/thru bolts.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA18FA137) · AI Analytics · CC0 1.0*