As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3319 AT CRUISE ALTITUDE FL400 "DOOR R AFT CABIN" CATION ILLUMINATED ON ECAM. NO LOSS OF PRESSURIZATION OR CAB V/S NOTED. CORRECTIVE ACTION: PREFORMED PSCU SYSTEM TEST. TEST OK. INSPECTED DOOR SENSORS AND DOOR AREA. NO TROUBLE FOUND. A/C HAS FLOWN SEVERAL LEGS WITH NO FAULTS. (7324922)