As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR WOULD NOT OPEN. HANDLE ROTATED AND DOOR CAME IN BUT WOULD NOT TURN AND OPEN OUT. OPENED AFTER ABOUT 5 MINUTES WITH CAPTAIN ON INSIDE AND MECHANIC ON THE OUTSIDE WORKING THE DOOR FREE. ACFT GROUNDED. FOUND THE L1 DOOR GUIDE PIN MOUNT BROKEN OFF. REASSEMBLED GUIDE ARM PIN IAW AMM 52-11-21.