What was found
IN CLIMB CENTER A-P DISCONNECTED FOUND C/B E21 POPPED. FLIGHT CONTROL COMPUTER SERVO CENTER. [SUP 05-18-07] FOUND CENTER FCC WITH INTERNAL FAILURE FOR OUTPUT TO SOCKET 18 POWER TO CENTER LATERAL CONTROL SERVO . REPLACED A-P CENTER LATERAL CONTROL SERVO AFTER CONFIRMING IT WAS THE CAUSE OF THE C-B TRIP. ALSO REPLACED CENTER FCC AND ACCOMPLISHED MCDP TEST 07 NUMEROUS TIMES WITH NO FAULTS OR ELECTRICAL SMELL OR C-B TRIPS.