# NTSB Accident CHI98LA292
> **Bell M74L** · 1998-07-31 · GRAND FORKS, ND, USA · NONE
## Event
- **NTSB number:** CHI98LA292
- **Event ID:** 20001211X10535
- **Type:** Accident
- **Date:** 1998-07-31
- **Location:** GRAND FORKS, ND, USA
- **Coordinates:** 47.909114, -97.069267
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Bell
- **Model:** M74L
- **Registration:** N1001N
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The worn rotor clutch shoes, and subsequent loss of main rotor rpm.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI98LA292) · AI Analytics · CC0 1.0*