What was found
(CAN) DURING HEAVY MAINTENANCE INSPECTION A DEFECT WAS RECORDED THAT THE AILERON PULLEYS, 2 IN THE AFT RT CENTER WING WOULD NOT ROTATE THROUGH FULL RANGE AND THAT BEARINGS WERE ROUGH, IPC 27-12-00, FIG 30, ITEM 450. PULLEYS REPLACED IAW AMM. AF TSN: 54670, CSN: 70883.