What was found
CREW REPORTED FLAP FAIL MSG ON EICAS DURING CRUISE AND DESCENT, CREW DIDN'T DECLARE AN EMERGENCY BUT EMERGENCY EQUIPMENT WAS ROLLED AS PRECAUTION. A/C LANDED SAFELY AT CLT WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED THE RT T3 AND T4 FLAP SKEW SENSORS PER EMB AMM, AND OPS CHECK GOOD.