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A crj-50 first officer reported noticing after departure the yaw damper had failed resulting in abnormal rudder movement. They declared an emergency and returned to departure airport.
| Attributes | |
| ACN | 1003917 |
| Time | |
| Date | 201204 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Regional Jet CL65 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Component | |
| Aircraft Component | Autoflight Yaw Damper |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 2400 Flight Crew Type 1650 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
After being delayed for a spoileron fault; we departed with normal indications. After climbing above 10;000 ft we started to accelerate and at that time it was noticeable that the yaw damper had failed and the rudder was going back and forth. We were able to keep control of the airplane; slowed to 250 KTS; declared an emergency and returned to [departure airport]. We landed there and taxied in with no other issues or injuries.
Original NASA ASRS Text
Title: A CRJ-50 First Officer reported noticing after departure the yaw damper had failed resulting in abnormal rudder movement. They declared an emergency and returned to departure airport.
Narrative: After being delayed for a spoileron fault; we departed with normal indications. After climbing above 10;000 FT we started to accelerate and at that time it was noticeable that the yaw damper had failed and the rudder was going back and forth. We were able to keep control of the airplane; slowed to 250 KTS; declared an emergency and returned to [departure airport]. We landed there and taxied in with no other issues or injuries.
Data retrieved from NASA's ASRS site as of July 2013 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.