What was found
ON FLIGHT 4111 THE CREW REPORTED THAT ON THE DESCENT BELOW 20,000 FT AND BELOW 250 KT SELECTED FLAP 9 DEGREES AND RECEIVED A FLAP FAIL MESSAGE ON EICAS. FLAP LOCKED AT 8 DEGREES. FOLLOWED AOM VOL FLAP FAIL CHECKLIST. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOLLOWED FIM TASK 27-51-00-810-804A. RESET FLAP SYSTEM. PERFORMED OPERATIONAL CHECK OF FLAP CONTROL SYSTEM. THE OPERATIONAL CHECK WAS GOOD - IAW AMM 27-51-00-700-801 A/501. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.