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 TOP LATCH DOESN'T FULLY OPEN WHEN HANDLE ROTATED CLOCKWISE. OPENS FINE WHEN TURNED COUNTERCLOCKWISE. MAINTENANCE CLEANED AND LUBED FLIGHT DECK DOOR LATCH AS REQUIRED, LATCH OPERATES NORMALLY.