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Flight crew of an embraer phenom 300 reported a yaw damper failure followed by dutch rolls. Crew descended to a lower altitude and diverted to a nearby airport.
| Attributes | |
| ACN | 1459477 |
| Time | |
| Date | 201706 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | EMB-505 / Phenom 300 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Autoflight Yaw Damper |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Yaw damp failed. Dutch roll followed. Descent initiated. Aircraft was stable by 27000ft.phenom has a severe defect in the yaw damp system. Numerous electrical malfunctions and loss of GPS will cause the system to fail.
Original NASA ASRS Text
Title: Flight crew of an Embraer Phenom 300 reported a yaw damper failure followed by dutch rolls. Crew descended to a lower altitude and diverted to a nearby airport.
Narrative: Yaw damp failed. Dutch roll followed. Descent initiated. Aircraft was stable by 27000ft.Phenom has a severe defect in the Yaw damp system. Numerous electrical malfunctions and loss of GPS will cause the system to fail.
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.