As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING, CREW DECLARED AN EMERGENCY DUE TO FLAP FAIL. FLAPS WERE AT 9 DEGREES AND NO INDICATION WAS SEEN IN COCKPIT. AIRCRAFT WAS LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED AND REPLACED THE POWER DRIVE UNIT FOR FLAPS. OPERATIONAL CHECK WAS GOOD IAW MM AND AIRCRAFT WAS RETURNED TO SERVICE. (SW212004046965)