As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE ENROUTE TO DESTINATION CREW REPORTED TO MAINTENANCE THAT AILERON CONTROL COLUMN FREEZES AND TAKES EXCESSIVE FORCE TO FREE UP, UPON INSPECTION AT DESTINATION MAINTENANCE FOUND AILERON CONTROLS COVERED IN ICE CAUSED BY A BROKEN WATER LINE. A MAINTENANCE INVESTIGATION FOUND THAT A CLAMP HAD COME OFF FROM THE FORWARD WATER SYSTEM DRAIN PLUMBING. (TC NR 20070212008)