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A CRJ200's rudder trim made a full left input. The crew overpowered the trim and re-centered it with no further problems.
| Attributes | |
| ACN | 793899 |
| Time | |
| Date | 200807 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : bwi.airport |
| State Reference | MD |
| Altitude | msl single value : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 200 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 100 flight time total : 7000 flight time type : 5200 |
| ASRS Report | 793899 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | aircraft : equipment problem dissipated flight crew : overcame equipment problem flight crew : regained aircraft control |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On climb out; we received an uncommanded rudder trim movement to the left. I overpowered the trim manually and disconnected the autoplt to make sure there was no other problem. We ran the QRH and trimmed the airplane back to normal. After about 30 seconds; the airplane trimmed back to the right; seemingly back to its original position. We trimmed the airplane neutral again and contacted maintenance. I told maintenance I was comfortable with continuing to the destination if they were. Of course; they were fine with us completing the flight. The aircraft was written up upon arrival.
Original NASA ASRS Text
Title: A CRJ200'S RUDDER TRIM MADE A FULL LEFT INPUT. THE CREW OVERPOWERED THE TRIM AND RE-CENTERED IT WITH NO FURTHER PROBLEMS.
Narrative: ON CLBOUT; WE RECEIVED AN UNCOMMANDED RUDDER TRIM MOVEMENT TO THE L. I OVERPOWERED THE TRIM MANUALLY AND DISCONNECTED THE AUTOPLT TO MAKE SURE THERE WAS NO OTHER PROB. WE RAN THE QRH AND TRIMMED THE AIRPLANE BACK TO NORMAL. AFTER ABOUT 30 SECONDS; THE AIRPLANE TRIMMED BACK TO THE R; SEEMINGLY BACK TO ITS ORIGINAL POS. WE TRIMMED THE AIRPLANE NEUTRAL AGAIN AND CONTACTED MAINT. I TOLD MAINT I WAS COMFORTABLE WITH CONTINUING TO THE DEST IF THEY WERE. OF COURSE; THEY WERE FINE WITH US COMPLETING THE FLT. THE ACFT WAS WRITTEN UP UPON ARR.
Data retrieved from NASA's ASRS site as of May 2009 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.