As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LANDING CREW WAS NOT ABLE TO RETRACT THE WING FLAPS ABOVE 1 UNIT. UPON INVESTIGATION THE NR 3 FLAP TRANSMISSION SCREWJACK WAS FOUND SEPARATED FROM THE TRANSMISSION AT THE UNIVERSAL JOINT. THE FLAP TRANSMISSION AND SCREWJACK ASSEMBLY WAS BOTH REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.