As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MQT - DURING BRIDGE INSPECTION, MAINTENANCE FOUND THE LEFT AILERON HINGE POINT TO HAVE A BAD BEARING. MAINTENANCE REMOVED AND REPLACED THE LEFT AILERON MIDDLE HINGE ASSY. A FUNCTIONAL CHECK OF THE AILERONS WAS COMPLIED WITH IAW ATR 42 J/C 27-10-00. AIRCRAFT WAS RETURNED TO SERVICE. (W)