As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, FLAPS WERE SELECTED AND C/B FOR FLAPS POPPED. A/C LANDED AND SYSTEM WAS RESET AND TRIED AGAIN, C/B POPPED AGAIN. UPON INVESTIGATION IT WAS FOUND THAT SEVERAL OF THE FLAP ACTUATORS WERE FROZEN. WHEN SYSTEM WAS WARMED EVERYTHING WORKED PROPERLY. ACTUATORS WERE REMOVED AND NEW ONES INSTALLED WITH IMPROVED SEALS INCORPORATED IN THEM.