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Ce-525 captain reported aileron flutter on aircraft with atlas winglet modification; likely due to a faulty aileron trim actuator.
| Attributes | |
| ACN | 1601672 |
| Time | |
| Date | 201812 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Citationjet (C525/C526) - CJ I / II / III / IV |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Aileron Control System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Engineer |
| Experience | Flight Crew Last 90 Days 40 Flight Crew Total 6800 Flight Crew Type 270 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Level flight; autopilot engaged; smooth air; airspeed 265 knots. A rapid onset of aileron divergent flutter on the left aileron shaking the yoke and whole aircraft with no movement of the right aileron. Reduced power rapidly to 230 knots flutter went away and advised ATC of the change of flight speed. Instructed first officer to look for nearby landing airports in the event the flutter was going to return. ATC gave us [RNAV] arrival but ZZZ center gave us direct zzzzz with no speed restrictions to follow. Descent at 230 knots; flutter did not reappear and flight into ZZZ was normal and uneventful.
Original NASA ASRS Text
Title: CE-525 Captain reported aileron flutter on aircraft with Atlas winglet modification; likely due to a faulty aileron trim actuator.
Narrative: Level flight; autopilot engaged; smooth air; airspeed 265 knots. A rapid onset of aileron divergent flutter on the left aileron shaking the yoke and whole aircraft with no movement of the right aileron. Reduced power rapidly to 230 knots flutter went away and advised ATC of the change of flight speed. Instructed First Officer to look for nearby landing airports in the event the flutter was going to return. ATC gave us [RNAV] arrival but ZZZ Center gave us direct ZZZZZ with no speed restrictions to follow. Descent at 230 knots; flutter did not reappear and flight into ZZZ was normal and uneventful.
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.