As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLAP SYS RIGGING 1 OF THE FLAP ACTUATOR, LT OTBD POSITION WAS DIFFICULT TO TURN, EXCESSIVE FORCE WAS REQUIRED TO ROTATED EITHER THE INPUT OR THE OUTPUT SPLINES, ALSO AT SOME POINT IT FEEL LIKE IT HAS INTERNAL LOOSE BETWEEN THE GEARS.