As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: FLIGHT DECK DOOR LOCKED. CREW UNABLE TO EXIT VIA MANUAL OPERATION/UNLOCK SWITCH/OR KEYPAD. DOOR HANDLE MOVES BUT MAGNETIC STRIKER WILL NOT RELEASE. MAINTENANCE REPORTS COCKPIT LOCK C/B RESET. OPS CHECK VIA MANUAL, SWITCH, AND KEYPAD NORMAL IAW AMM 52-51-00.