# NTSB Incident SEA99IA045
> **Fokker F.28 MK 4000** · 1999-04-01 · SPOKANE, WA, USA · NONE
## Event
- **NTSB number:** SEA99IA045
- **Event ID:** 20001205X00391
- **Type:** Incident
- **Date:** 1999-04-01
- **Location:** SPOKANE, WA, USA
- **Coordinates:** 47.650497, -117.309181
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 44
- **Total aboard:** 44
## Aircraft
- **Make:** Fokker
- **Model:** F.28 MK 4000
- **Registration:** N477AU
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

A chafed hydraulic line.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA99IA045) · AI Analytics · CC0 1.0*