As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: COCKPIT DOOR IS LOCKED AND WILL NOT OPEN WITH THE CODE. CONFIRMED FLIGHT DECK DOOR AUTOMATIC UNLOCKING SYSTEM INOPERATIVE. PERFORMED OPERATIONAL CHECK OF THE DOOR LOCK PER AMM 52-51-00. OPERATIONAL CHECK GOOD AT THIS TIME. CHIME WAS AUDIBLE AND DOOR OPENED.