As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW COULD NOT OPEN L1 DOOR AFTER LANDING. GROUNDED - YES. FOUND SCREW SHEARED ON LOWER RADIUS LINK OF L1 DOOR GUIDE ARM. REMOVED RADIUS LINK OUT OF THE WAY AND WAS ABLE TO OPEN DOOR. REMOVED AND REPLACED RADIUS LINK ATTACHING HARDWARE ON GUIDE ARM REF CMM 52-17-05. DOOR OPERATES NORMAL.