What was found
(CAN) CONFIG RUDDER, THEN CONFIG SPOILERS WARNING MESSAGES DURING TAKEOFF. TROUBLESHOT THE CONFIG RUDDER AND CONFIG SPOILERS WARNING MESSAGES AND FOUND UNDER FCC DIAGNOSTICS REPAIR CODES FOR ROLL/PITCH AMP MESSAGES ON BOTH LH AND RH. ERASED REPAIR CODES AND SWAPPED FCC 1 AND FCC 2 AND MESSAGES PERSISTED. INSTALLED NEW FCC CARDS INTO SLOT #1 AND #2. PREFORMED TEST AND FOUND FCC 1 TO BE FAULTING FOR CROSS. SWAPPED CARDS FROM FCC 1 TO FCC 2 AND FAULT MESSAGE FOLLOWED CARD. SWAPPED CARDS BACK AND PREFORMED TEST AND FCC 1 STILL FAULTED. FCC 1 CARD BAD FROM STOCK. INSTALLED NEW FCC CARDS INTO FCC #1 AND FCC #2 IN REFERENCE WITH AMM 22-12-14. PREFORMED OPS CHECKS IN REFERENCE WITH AMM 22-11-00. OPS CHECKS GOOD AT THIS TIME. COMPLIED WITH CAT II RVSM RETURN TO SERVICE TEST.. AIRCRAFT REMAINS CAT II RVSM CERTIFIED. (TC# 20191004008)