What was found
DURING CLIMB-OUT FROM DFW-SHV, AT APPROXIMATELY 14,000 FEET AND 290 KTS THE CREW RECEIVED A FLAPS FAIL MESSAGE. THE QRH WAS COMPLIED WITH AND THE AIRCRAFT RETURNED TO DFW. EMERGENCY VEHICLES WERE REQUESTED AS A PRECAUTIONARY MEASURE. THE AIRCRAFT LANDED SAFELY IN DFW. MAINTENANCE REMOVED AND REPLACED THE FLAPS ELECTRONIC CONTROL UNIT (FECU). OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)