As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR WILL NOT SHUT AND THE HANDLE IS VERY STIFF. GROUNDED - YES. PERFORMED GUIDE ARM ADJUSTED AND L1 DOOR NOW CLOSES PER B737-900 AMM 52-11-00-820-801. ALSO PERFORMED HORIZONTAL CONTROL ROD ADJUSTMENT AND HANDLE CLOSES AND MOVES MORE FREELY PER AMM 52-11-00-820-801. PERFORMED FORWARD ENTRY DOOR SYSTEM TEST PER AMM 52-11-00-700-804 AND TEST PASSED. AIRCRAFT IS OK FOR SERVICE.