As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT DECK DOOR WILL NOT OPEN WITH DOOR HANDLE FROM INSIDE OF FLIGHT DECK UNLESS FLIGHT DECK ELECTRONIC SWITCH IS HELD IN UNLOCK POSITION. FLIGHT CREW REPORTED THAT IT FEELS LIKE MECHANISM IS BROKE FROM HANDLE TO UPPER LOCK. MAINTENANCE REPLACED FLIGHT DECK DOOR CENTER LATCH AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER CMM 25-20-32.