As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SYS 1 FAULT DISPLAYED ON UPPER ECAM SCREEN. - CAB PR CAB PR SYS 1 FAULT AT FL250 NO 1 CPC IS REPLACED ALREADY BY LAX BANAI 104367. SEE LOG PAGE 7597180. DUE TO REPLACEMENT OF CPC 1 AND OUTFLOW VALVE, PERFORMED OPERATIONAL TEST OF THE PRESSUER CONTROL AND MONITORING SYSTEM REF AMM 21-31-00-710. ALSO PRESSURIZED AIRCRAFT MANUALLY WITH NO FAULTS.