As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLAP INSP, AN ENGINEER FOUND AN AILERON PULLEY INSIDE THE WING BOX SEIZED. FURTHER INVESTIGATION REVEALED THE ADJACENT PULLEY WAS ALSO CORRODED. BOTH PULLEYS WERE REPLACED AND THE ACFT RETURNED TO SERVICE. 1915 HRS WERE REMAINING BEFORE COMPLETION OF TASK 2710/02 (11000 HRS).