# NTSB Accident ERA13LA421
> **AMERICAN EUROCOPTER LLC AS350B2** · 2013-09-20 · Canton, MS, USA · SERS
## Event
- **NTSB number:** ERA13LA421
- **Event ID:** 20130920X14012
- **Type:** Accident
- **Date:** 2013-09-20
- **Location:** Canton, MS, USA
- **Coordinates:** 32.609283, -90.029792
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 3
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** AMERICAN EUROCOPTER LLC
- **Model:** AS350B2
- **Registration:** N810LE
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The pilot’s improper decision to continue flight with a low engine oil pressure warning light instead of landing immediately in accordance with the flight manual emergency checklist. Contributing to the accident was the maintenance technician’s failure to clean the rear bearing in accordance with the engine manufacturer’s guidance when replacing the 2nd-stage turbine wheel, which resulted in an obstruction of solidified oil carbon in the rear bearing chip detector housing union, subsequent oil exhaustion, and engine failure.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA13LA421) · AI Analytics · CC0 1.0*