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 DIFFICULT TO OPEN FROM INSIDE USING D-RING HANDLE. CENTER STRIKER DOES NOT FULLY RETRACT WHEN HANDLE ROTATED COUNTER-CLOCKWISE. MAINTENANCE REPLACED THE FLIGHT DECK DOOR CENTER LATCH MECHANISM AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-51-21.