What was found
DURING CRUISE FLIGHT ACFT ROLLED LT UNCOMMANDED AND A FEW SECONDS LATER RECEIVED FLIGHT SPOILER DEPLOY CAUTION MESSAGE. REF QRH. FLIGHT SPOILER HANDLE WAS FULLY STOWED. CAUTION MESSAGE APPEARED AND DISSAPPEARED SEVERAL TIMES. ALSO RECEIVED INTERMITTENT CAS MIS-COMPARE MESSAGE. FLIGHT SPOILER FAULT MESSAGE STAYED ON THE ENTIRE TIME UNTIL ACFT TAXIED INTO GATE AND FLIGHT SPOILER FAULT DISAPPEARED. REMOVED AND REPLACED SECU NR 2 IAW 27-61-05, OPS CHECK IAW 27-61-00. OPS CHECK GOOD. (K)