What was found
ON CLIMBOUT FROM MDT TO DTW RECEIVED PITOT BASE HEAT, LEFT AOA HEAT, LEFT STATIC HEAT AND LEFT PITOT HEAT CAUTION MSG'S. EMERGENCY DECLARED, A/C RETURNED TO MDT LANDED SAFELY. INSPECTED LEFT AND RIGHT PITOT TUBES WITH NO DEFECTS NOTED. PERFORMED SYSTEM RESET FOR ADHSC NR 1 AND NR 2, OPS CHECK GOOD.