As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE GUST LOCK ON THE L1 ENTRY DOOR WAS STICKY AND SOMETIMES STICKS IN THE LOCKED POSITION. CLEANED THE TRIGGER AND CATCH ASSY ON THE L1 DOOR. DUE TO DEBRIS BEHIND CATCH ASSY. NO DEFECTS NOTED. OP CHECKED GOOD IAW AMM 52-11-00-2. ACFT OK FOR SERVICE.