What was found
SYS 2 FAULT DISPLAYED ON UPPER ECAM SCREEN. - CAB PR HAS HISTORY, APPLY MEL UNLOCKING FOR DEFERRAL DEACTIVATED SYS 2 PER AMM 21-31-00-040-006 DEFERRED PER MEL OK TO APPLY MEL 2131B FOR CAB SYS PR 2 FAULT LAST LEG REPORT SHOWS FAULT CODE "PRESSURE CONT 2 (61)". REPLACED CPC 2 PER TSM REFERENCE: 21-31-00-810-806-A. PERFORMED OPERATIONAL CHECK. TEST OKAY. REF. AMM TASK 21-31-00-710-002-A. NO FAULTS SHOWING ON ECAM. MEL CLEARED. PLACARD REMOVED. PARTS USED: 1615206,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1615206 SN OFF 4485 IPC REFERENCE # 21-31-34-01B.