As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED:FLIGHT ATTENDANT CONTROL PANEL DISPLAY BY 1L INDICATES ORANGE FOR DOOR 4R AND A CHECK DOOR PRESSURE MESSAGE IS DISPLAYED. MAINTENANCE FOUND THE 4R DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE IN THE YELLOW BAND AND SERVICED IT PER AMM 52-10-00.