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A B757-200 at FL340 on start of descent has the rudder trim stuck at 2 units left. The trim was still stuck on taxi in and started to work at the gate.
| Attributes | |
| ACN | 702842 |
| Time | |
| Date | 200607 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 34000 |
| Environment | |
| Flight Conditions | Marginal |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : vacating altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 250 flight time total : 22000 flight time type : 12000 |
| ASRS Report | 702842 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | aircraft : equipment problem dissipated |
| Supplementary | |
| Problem Areas | Environmental Factor Aircraft |
| Primary Problem | Aircraft |
Narrative:
Rudder trim stuck at 2 units left. Noticed at start of descent. Had to hold right rudder on final. Still inoperative on taxi in. At gate it began to work again. Frozen water? Callback conversation with reporter revealed the following information: the reporter stated that when parked on the gate the rudder trim worked normally. The rudder trim was reported in the logbook and a verbal report given to maintenance. The maintenance action is unknown.
Original NASA ASRS Text
Title: A B757-200 AT FL340 ON START OF DSCNT HAS THE RUDDER TRIM STUCK AT 2 UNITS L. THE TRIM WAS STILL STUCK ON TAXI IN AND STARTED TO WORK AT THE GATE.
Narrative: RUDDER TRIM STUCK AT 2 UNITS L. NOTICED AT START OF DSCNT. HAD TO HOLD R RUDDER ON FINAL. STILL INOP ON TAXI IN. AT GATE IT BEGAN TO WORK AGAIN. FROZEN WATER? CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THAT WHEN PARKED ON THE GATE THE RUDDER TRIM WORKED NORMALLY. THE RUDDER TRIM WAS RPTED IN THE LOGBOOK AND A VERBAL RPT GIVEN TO MAINT. THE MAINT ACTION IS UNKNOWN.
Data retrieved from NASA's ASRS site as of January 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.