As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LANDING ROLL OUT UPON RETRACTING THE FLAPS, RECEIVED "FLAPS FAIL" (C) MESSAGE. INVESTIGATION REVEALED THE RT NR 4 FLEX SHAFT WAS BROKEN. THE FLEX SHAFT ASSY WAS REMOVED AND REPLACED. AS PRECAUTION OPERATOR REMOVED AND REPLACED ALL 8 ACTUATORS AND ALL FLEX SHAFTS.