# NTSB Incident NYC94IA023
> **BELL 206L** · 1993-10-29 · NEW YORK, NY, USA · NONE
## Event
- **NTSB number:** NYC94IA023
- **Event ID:** 20001211X13629
- **Type:** Incident
- **Date:** 1993-10-29
- **Location:** NEW YORK, NY, USA
- **Coordinates:** 40.750263, -73.979446
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 6
- **Total aboard:** 6
## Aircraft
- **Make:** BELL
- **Model:** 206L
- **Registration:** N16696
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Inadequate maintenance which resulted in the improper alignment of the 'O' ring on the spur adapter gear drive which caused lack of lubrication and wear of the gear drive and the disengagement of the compressor and turbine.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC94IA023) · AI Analytics · CC0 1.0*