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A CRJ200 developed a rapid 2-3 degree roll at the flaps 45 landing configuration on approach speed. Trailing edge flap contaminants or deformities can cause the roll. Increasing approach speed stops the behavior.
| Attributes | |
| ACN | 928317 |
| Time | |
| Date | 201101 |
| Local Time Of Day | 0001-0600 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Regional Jet 200 ER/LR (CRJ200) |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Trailing Edge Flap |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
While flying two legs in this aircraft we experienced possible wake turbulence and regular turbulence on approach fully configured in the roll axis. The next morning I started thinking about the event and called a flight instructor and he explained a maintenance issue that is common that can resemble what we originally discounted as turbulence.
Original NASA ASRS Text
Title: A CRJ200 developed a rapid 2-3 degree roll at the flaps 45 landing configuration on approach speed. Trailing edge flap contaminants or deformities can cause the roll. Increasing approach speed stops the behavior.
Narrative: While flying two legs in this aircraft we experienced possible wake turbulence and regular turbulence on approach fully configured in the roll axis. The next morning I started thinking about the event and called a flight instructor and he explained a maintenance issue that is common that can resemble what we originally discounted as turbulence.
Data retrieved from NASA's ASRS site as of April 2012 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.