# NTSB Accident CEN17LA174
> **BELL 407** · 2017-05-02 · Venice, LA, USA · NONE
## Event
- **NTSB number:** CEN17LA174
- **Event ID:** 20170503X65443
- **Type:** Accident
- **Date:** 2017-05-02
- **Location:** Venice, LA, USA
- **Coordinates:** 29.309999, -89.298057
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 6
- **Total aboard:** 6
## Aircraft
- **Make:** BELL
- **Model:** 407
- **Registration:** N457PH
- **FAR Part:** 135
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

An in-flight separation of the tip block from the tail rotor blade due to an inadequate blade repair, which resulted in a rotor imbalance sufficient to crack the gearbox attachment studs and gearbox support assembly, and inadequate postrepair test procedures, which failed to detect the inadequate adhesive bonding.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN17LA174) · AI Analytics · CC0 1.0*