As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR IS DIFFICULT TO OPEN AND CLOSE DURING FLIGHT. IT FEELS AS IF IT IS BINDING AS VIEWED FROM INSIDE. WOULD BE DIFFICULT TO CLOSE IN A HURRY. MAINTENANCE CLEANED AND LUBRICATED FLIGHT DECK DOOR LATCHES. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.