As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR VERY STIFF HARD TO OPEN. PERFORMED VISUAL INSP OF L1 DOOR FOUND GUIDE ARM LOCK NUT LOOSE. TIGHTENED LOCK NUT IAW AMM 52 11 00 705 007 B00. PERFORMED FWD ENTRY DOOR TEST IAW AMM 52 11 00 755 051 B00. OPS CK GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME.