What was found
THE AIRCRAFT WAS GROUNDED. FLAPS WOULD NOT EXTEND PAST 15* FOR LANDING. THE FLIGHT ABORTED APPROACH AND WENT AROUND TO WORK CHECKLIST. THE GEAR HORN SOUNDED INTERMITTENTLY WITH FLAPS AT 15* & GEAR UP. THE FLIGHT DECLARED AN EMERGENCY AND LANDED FLAPS 15*. MAINTENANCE ACCOMPLISHED FIM TASK 27-51-00 810-822, 810-823, 810-836. REMOVED AND REPLACED FSEU IAW MM 27-51-01. OPS CHECKS GOOD. NO FAULTS ON BITE CHECK.