As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR DIFFICULT TO CLOSE AND INTERMITANTLY DOES NOT CLOSE FULLY WHEN L1 DOOR HANDLE IS IN CLOSED POSITION. FOUND GUIDE ARM ROLLER WORN ALLOWING AFT END OF DOOR TO BE MIS TIMED WITH THE FWD END. REMOVED/REPLACED AND ADJUSTED GUIDE ARM IAW B737 900 MM 52 11 21 000 802 MM 52 11 21 400 802.