As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING SCHEDULED LUBRICATION OF THE FLAP ACTUATORS, IT WAS NOTICED THAT THE ICE SCRAPER RING WAS PARTIALLY DISLODGED FROM THE LT NR 4 FLAP ACTUATOR. IT WAS NOTICED DUE TO THE EXCESSIVE PLAY BETWEEN THE BALL SCREW SHAFT AND ACTUATOR HOUSING ASSEMBLY.