What was found
(CAN) AT APPROXIMATELY 1000FT AGL GO AROUND WAS INITIATED DUE TO AN EICAS FLAP T/E ASYMMETRY AND T/E CAUTION MESSAGE. FLAPS WERE STUCK AT FLAP 30. ACFT DECLARED A PAN PAN AND AFTER COMPLETING CHECKS, RETURNED FOR A SUCCESSFUL LANDING WITH CFR STANDING BY. RESOLUTION FOUND ACFT WITH FAULT MSG ON BITE, T/E SKEW TRANSMITT, FLAP POSITION TRANSMITTER 4 REPLACED IAW AMM 27-51-45-201. CONTINUE SERVICE.