# NTSB Incident CHI01IA124
> **Boeing 717-231** · 2001-02-19 · Milwaukee, WI, USA · NONE
## Event
- **NTSB number:** CHI01IA124
- **Event ID:** 20010427X00832
- **Type:** Incident
- **Date:** 2001-02-19
- **Location:** Milwaukee, WI, USA
- **Coordinates:** 42.980442, -87.899131
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 67
- **Total aboard:** 67
## Aircraft
- **Make:** Boeing
- **Model:** 717-231
- **Registration:** N2410W
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the operator to provide complete and comprehensive thrust reverser lock-out maintenance procedures and guidance to the contract maintenance personnel resulting in a partial and inadequate securing of the faulty thrust reverser and a subsequent inadvertent deployment following takeoff. Contributing to the incident is the failure of the contract maintenance personnel to verify that the maintenance instructions received where complete, accurate, and up to date.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI01IA124) · AI Analytics · CC0 1.0*