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CRJ900 captain reported experiencing a yaw damp 2 failure at FL380 resulting in un-commanded yawing. Flight was able to continue to destination.
| Attributes | |
| ACN | 1462896 |
| Time | |
| Date | 201707 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | Regional Jet 900 (CRJ900) |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Autoflight Yaw Damper |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Inflight Event / Encounter Other / Unknown |
Narrative:
At FL380 yaw damper (yd) 2 kicked off. Could not get YD2 to reengage. Aircraft started having un-commanded rudder movement/yawing to the right. Un-commanded movement started small and progressively became greater. Un-commanded movement was about every 5 seconds. After yawing exceeded 5 degrees; I requested expedited handling and advised ATC why. We landed without issue.
Original NASA ASRS Text
Title: CRJ900 Captain reported experiencing a yaw damp 2 failure at FL380 resulting in un-commanded yawing. Flight was able to continue to destination.
Narrative: At FL380 Yaw Damper (YD) 2 kicked off. Could not get YD2 to reengage. Aircraft started having un-commanded rudder movement/yawing to the right. Un-commanded movement started small and progressively became greater. Un-commanded movement was about every 5 seconds. After yawing exceeded 5 degrees; I requested expedited handling and advised ATC why. We landed without issue.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.