What was found
FLAP FAIL EICAS MESSAGE ON DEPARTURE. RETURN TO CMH DECLARED EMERGENCY. AS PER PREVIOUSLY RESTORED MEL 27-16 KVA INFO.1, REMOVED AND REPLACED LH INBD T3 SKEW SENSOR IAW AMM 27-53-06. RIG AND OPS CHECK GOOD. NO OTHER DEFECTS OR FAULT MSGS FOUND.