What was found
(CAN)DURING FLIGHT, ALL ECAM WARNINGS, MASTER CAUTION, MASTER WARNING BELLS BEGAN CYCLING. PRESSURIZATION CLIMBED, EMERGENCY DESCENT INITIATED, COULD NOT STOP CYCLING OF WARNINGS OR FAULTS. MAINTENANCE TRO UBLESHOOTING LED TO SDAC #1 FAULT. SDAC REPLACED. SUBSEQUENT REVIEW OF PILOTS REPORT INDICATES THERE MAY NOT HAVE BEEN A TRUE DEPRESSURIZATION PROBLEM AND THE EMERGENCY DESCENT WAS PERFORMED AS A PRECAUTION. AIRBUS ADVISED OF THE INCIDENT.