# NTSB Accident ANC06LA038
> **MD Helicopters, Inc. MD 900** · 2006-03-22 · Mesa, AZ, USA · NONE
## Event
- **NTSB number:** ANC06LA038
- **Event ID:** 20060403X00379
- **Type:** Accident
- **Date:** 2006-03-22
- **Location:** Mesa, AZ, USA
- **Coordinates:** 33.460834, -111.728332
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MD Helicopters, Inc.
- **Model:** MD 900
- **Registration:** N912LH
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The manufacturer's inadequate design clearance of the main rotor blade grip pitch cases, which resulted in damage to the pitch cases when they contacted main rotor perimeter bolts during maneuvering flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC06LA038) · AI Analytics · CC0 1.0*