What was found
RDU - FLT 771 - AIR RETURN DUE TO RUDDER FAULT 1 AND 2, STABILIZER TRIM 1 AND 2 AND YAW DAMPER 1 AND 2 FAULTS ALSO, HAD AFCAS MX REQUIRED MESSAGE. REMOVED AND REPLACED FLT CONTROL COMPUTER NR 1 (FCC NR 1). OPS CHECK GOOD IAW AMM 22-11-01. OPS CHECK OF RUDDER 1 AND 2 STABILIZER TRIM 1 AND 2 ON AFCAS GOOD, NO PRESENT FAULTS NOTED. (M)