# NTSB Accident WPR17LA121
> **Bob Frederick Titan T-51** · 2017-06-04 · Goodyear, AZ, USA · NONE
## Event
- **NTSB number:** WPR17LA121
- **Event ID:** 20170604X43305
- **Type:** Accident
- **Date:** 2017-06-04
- **Location:** Goodyear, AZ, USA
- **Coordinates:** 33.433887, -112.366943
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Bob Frederick
- **Model:** Titan T-51
- **Registration:** N51FB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Failure of the propeller speed reduction gearbox input drive gear during the airplane’s initial climb for reasons that could not be determined due to extensive damage.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR17LA121) · AI Analytics · CC0 1.0*