# NTSB Incident ATL96IA053
> **Embraer 120** · 1996-02-20 · RALEIGH, NC, USA · NONE
## Event
- **NTSB number:** ATL96IA053
- **Event ID:** 20001208X05210
- **Type:** Incident
- **Date:** 1996-02-20
- **Location:** RALEIGH, NC, USA
- **Coordinates:** 35.830551, -78.830352
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 8
- **Total aboard:** 8
## Aircraft
- **Make:** Embraer
- **Model:** 120
- **Registration:** N129AM
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The operator's inadequate progressive inspection program that did not require periodic analysis of airplane hydraulic system fluid; and the failure of the operator to comply with the airplane manufacturer's maintenance manual resulting in contamination of the airplane's hydraulic system that exceeded the maximum contamination level.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL96IA053) · AI Analytics · CC0 1.0*