As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT DOOR WAS DIFFICULT TO KEEP CLOSED. UNSAFE AS IS REF, UNABLE TO KEEP CLOSED DURING EMERGENCY PROCEDURE. COCKPIT SMOKE REMOVAL, STEP 6. NOTE: DOOR CAME OPEN SEVERAL TIMES DURING FLIGHT. OPEN AND CLOSED COCKPIT DOOR SEVERAL TIMES BY USING THE COCKPIT DOOR HANDLE AND FOUND NO DEFECTS. AFTER CLOSING DOOR, MAINTENANCE ATTEMPTED SEVERAL TIMES TO MAKE DOOR COME OPEN AND COULD NOT.