As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: L1 DOOR UNABLE TO OPEN. JET BRIDGE AT M33 MADE CONTACT WITH DOOR. DOOR CLOSED, NO PROBLEM. BUT NOW WON'T OPEN. PERFORMED INSPECTION OF L1 DOOR IAW AMM 05-51-59. FOUND GUIDE ARM PIN MISSING SCREW. PERFORMED GVI AND REPLACEMENT OF PASSENGER ENTRY DOOR GUIDE ARM PIN IN REF TO J/C #08C83152002. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED.