As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD FLT/ATT PANEL DISPLAYS AN AMBER 4R INDICATION ON THE DOOR PAGE WITH AMBER "CHECK CABIN PRESSURE" AIRCRAFT WAS ON GROUND PRESSURIZE 4R WAS CLOSED AND ARMED, VERIFIED VIA FLIGHT DECK ECAM DOOR PAGE. MESSAGE WAS CHECK SLIDE PRESSURE. MAINTENANCE SERVICED 4R DOOR BOTTLE PRESS TO PROPER LEVEL.