Narrative:

En route cvg-yul, noticed aircraft needed 1 1/2 - 2 units left rudder trim and 2 units left aileron to fly reasonably straight and level (unusual). On return flight, performed trim check per SOP without success. Noted in logbook that autoplt had been written up. Notified maintenance that problem was not autoplt but aircraft rigging.

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Original NASA ASRS Text

Title: A B727 IN CRUISE AT FL330 REQUIRED 2 UNITS L AILERON AND 2 UNITS L RUDDER TO MAINTAIN LEVEL FLT.

Narrative: ENRTE CVG-YUL, NOTICED ACFT NEEDED 1 1/2 - 2 UNITS L RUDDER TRIM AND 2 UNITS L AILERON TO FLY REASONABLY STRAIGHT AND LEVEL (UNUSUAL). ON RETURN FLT, PERFORMED TRIM CHK PER SOP WITHOUT SUCCESS. NOTED IN LOGBOOK THAT AUTOPLT HAD BEEN WRITTEN UP. NOTIFIED MAINT THAT PROB WAS NOT AUTOPLT BUT ACFT RIGGING.

Data retrieved from NASA's ASRS site as of July 2007 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.