As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTS THE L1 DOOR IS HEAVY TO OPEN AND CLOSE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 52-10 TASK 807 FOR ENTRY DOOR CANNOT BE OPENED OR CLOSED EASILY. NO DEFECTS NOTED. LUBRICATED L1 DOOR AND ACCOMPLISHED FWD ENTRY DOOR SYSTEM TEST REF B737-900 AMM 52-11-00. CYCLED THE L1 DOOR MULTIPULE TIMES, NO DEFECTS NOTED.