What was found
FMGC 1 FAIL REPORTED BY CREW, RESET UNSUCCESSFUL CFDS ATA 22-83-34 FMGC1 SOURCE EFCS 1 PHASE 5 , SEE TSM 22-83-00-810-859-A, 3 HITS LAST 10 LEGS LOCKED UNLOCKED FOR CORRECTIVE ACTION FOLLOWED TSM 22-83-00-810-859-A, REMOVED AND REPLACED TERMINAL BLOCKS 1831VT48 AND 1831VT49 PRECAUTIONARY. SWAPPED FMGC 1 AND 2 AND PERFORMED AFS TEST, AFS TEST FAILS AND FAULT TRANSFERRED TO 2. SWAPPED BACK, REMOVED AND REPLACED FMGC 1, OPS CHECK GOOD REF AMM 22-83-34/401 CONFIG 00. CANNOT DUPLICATE FAULT ANYMORE. AFS TEST PASSES MULTIPLE TIMES.PARTS USED: 31-2283-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1339291 SN OFF 4971 COMPUTER, FLIGH OFF 31-2283-9-0002 4971 ON 31-2283-9-0002 7474