As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANTS CIDS PANEL SHOWS 2R DOOR WILL NOT ARM DURING PREFLIGHT. FLIGHT DECK INDICATIONS SHOW THAT IT IS ARMING SUCCESSFULLY. MAINTENANCE SERVICED THE 2R DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.