# NTSB Incident NYC99IA056
> **Piper PA42-1000** · 1999-02-05 · LEXINGTON, KY, USA · NONE
## Event
- **NTSB number:** NYC99IA056
- **Event ID:** 20001205X00226
- **Type:** Incident
- **Date:** 1999-02-05
- **Location:** LEXINGTON, KY, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Piper
- **Model:** PA42-1000
- **Registration:** N37KW
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Improper assembly of the engine gearcase by the manufacturer, which resulted in an uncontained failure of the 1st bull gear.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC99IA056) · AI Analytics · CC0 1.0*