As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: GETTING READY FOR PUSH FLIGHT ATTENDANT REPORTED THAT A MESSAGE FOR THE 2R DOOR PRESSURE INDICATION DISPLAYED ON THE FLIGHT ATTENDANTS PANEL. MAINTENANCE SERVICED R2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00-614-002-A WHICH EXTINGUISHED THE WARNING MESSAGE ON THE FLIGHT ATTENDANTS PANEL.