# NTSB Accident FTW93FA163
> **MBB BK 117 A-4** · 1993-05-25 · LAFAYETTE, LA, USA · NONE
## Event
- **NTSB number:** FTW93FA163
- **Event ID:** 20001211X12383
- **Type:** Accident
- **Date:** 1993-05-25
- **Location:** LAFAYETTE, LA, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MBB
- **Model:** BK 117 A-4
- **Registration:** N401PH
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

CYCLIC CONTROL ROD MOVEMENT WAS RESTRICTED DUE TO IMPROPER INSTALLATION OF THE LATERAL CYCLIC CONTROL ROD BY COMPANY MAINTENANCE PERSONNEL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW93FA163) · AI Analytics · CC0 1.0*