# Incident 20021009028129I: Boeing 747451, Anchorage, AK, October 9, 2002

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 9, 2002, 20:00 local time
- Place: Anchorage, AK
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- Location: 61.1744° N, 149.9964° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=61.1744&lon=-149.9964&mi=10
- Aircraft: N661US, registered now (https://openairdocs.org/aircraft/N661US) (OpenAirDocs)
- Registry model: Boeing 747-451 (registry code 1384940, https://openairdocs.org/model/boeing-747-451) (OpenAirDocs)
- Registry engine: Pratt & Whitney PW4000 series (registry code 52119, https://openairdocs.org/engine/pratt-whitney-pw4000-series) (OpenAirDocs)
- Reported make and model: BOEING 747451
- People aboard: 407
- Fatal injuries: 0
- Pilot flight hours: 16,202 total, 620 in this make and model, 43 in the last 90 days
- NTSB investigation: [NTSB ANC03IA001](https://openairdocs.org/ntsb/ANC03IA001) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20021009028129I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) FAILURE OF LOWER RUDDER YAW DAMPER ACTUATOR CAUSED LOWER RUDDER HARD OVER TO LEFT DURING CRUISE FLIGHT. INITIALLY 17.1 DEGREES LEFT, WENT TO 32.4 DEGREES LEFT WHEN AIRCRAFT SLOWED DOWN ON FINAL.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC03IA001](https://openairdocs.org/ntsb/ANC03IA001), Oct 10, 2002: Boeing 747-400 (N661US), Anchorage, AK, incident, no damage. Probable cause: The fatigue fracture of the lower rudder power control module manifold, which resulted in a lower rudder hardover.

## Other reports on N661US (1)

Matched to the same aircraft by N-number and date.

- [Incident 20140320002419I](https://openairdocs.org/incident/20140320002419I), Mar 20, 2014: Boeing 747-451 (N661US), Jamaica, NY, Minor damage. Delta airlines flight 468, aircraft N661US, during passenger boarding, prior to departing from jfk terminal 4, gate C20. A delta global services (dgs) lavatory…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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