As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3513 CABIN PRESSURE LIGHT ON ALL CABIN DOORS WERE BLINKING AFTER PARKING AT GATE AIRCRAFT PRESSURE WAS 0 PSI STILL FLASHING AFTER DOORS OPEN. CORRECTIVE ACTION: PERFORMED T/S IAW A350-A-21-31-XX-92002-421A-A. ALL TESTS PASSED. SYSTEM OK. (7353628)