As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DECK DOOR WILL NOT LOCK WHEN DOOR IS CLOSED. HAVE TO TURN AND PLAY WITH DOOR KNOB TO LOCK. VERY UNSAFE AND PRONE TO DOOR BEING PULLED OPEN BY PERSON ON OUTSIDE OF DOOR. REPLACED LATCH ASSY AND OPS CHECKED REF AMM 52-52-02-800-801 C18/ CMM 52-51-02. OPS CHECK NORMAL.