# NTSB Incident ANC03IA001
> **Boeing 747-400** · 2002-10-10 · Anchorage, AK, USA · NONE
## Event
- **NTSB number:** ANC03IA001
- **Event ID:** 20021018X05344
- **Type:** Incident
- **Date:** 2002-10-10
- **Location:** Anchorage, AK, USA
- **Coordinates:** 61.174446, -149.996383
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 404
- **Total aboard:** 404
## Aircraft
- **Make:** Boeing
- **Model:** 747-400
- **Registration:** N661US
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** —
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The fatigue fracture of the lower rudder power control module manifold, which resulted in a lower rudder hardover.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC03IA001) · AI Analytics · CC0 1.0*