As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2819 THE CREW REPORTED DURING THE DESCENT THE FLAP FAILED IN REACHING NINE DEGREES. THE CAPTAIN DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. TROUBLESHOT IAW FIM TASK 27-51-00-810-801-A. REPLACED THE FLAP ELECTRONIC CONTROL UNIT (FECU) IAW AMM 27-53-00. THE OPERATIONAL CHECK WAS GOOD IAW AMM 27-51-00-700-801-A. THE AIRCRAFT WAS RETURNED TO SERVICE.