As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FORWARD FLIGHT ATTENDANTS PANEL SHOWS THE 4L DOOR UNARMED WHEN IT IS ARMED AND THE DOOR INDICATES ARMED IN THE FLIGHT DECK. MAINTENANCE SERVICED THE 4L DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.