# NTSB Incident NYC98IA106
> **Beech 1900D** · 1998-05-04 · SYRACUSE, NY, USA · NONE
## Event
- **NTSB number:** NYC98IA106
- **Event ID:** 20001211X10175
- **Type:** Incident
- **Date:** 1998-05-04
- **Location:** SYRACUSE, NY, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 14
- **Total aboard:** 14
## Aircraft
- **Make:** Beech
- **Model:** 1900D
- **Registration:** N832CA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Improper maintenance which resulted in a cross threaded\ mistapped counterweight bolt hole, and the subsequent failure of the propeller counterweight clamp assembly.  Also causal was the inadequate inspection of the counterweight clamp threads by maintenance personnel which failed to detect the damaged counterweight threads.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC98IA106) · AI Analytics · CC0 1.0*