# NTSB Accident FTW98FA307
> **Cessna 172N** · 1998-07-11 · LINCOLN, TX, USA · SERS
## Event
- **NTSB number:** FTW98FA307
- **Event ID:** 20001211X10555
- **Type:** Accident
- **Date:** 1998-07-11
- **Location:** LINCOLN, TX, USA
- **Coordinates:** 30.310859, -96.970321
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 3
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** Cessna
- **Model:** 172N
- **Registration:** N5632E
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The #3 cylinder exhaust valve rocker arm fulcrum retaining stud backing out of its stud-tapped hole due to the improper tapping of the stud hole by unknown maintenance personnel. Contributing factors were the transmission wire, sign and gasoline pump.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW98FA307) · AI Analytics · CC0 1.0*