As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FORWARD LEFT CABIN DOOR (L1) DIFFICULT TO CLOSE. ITS THE LAST PART OF THE CLOSING SEQUENCE THAT IS VERY CHALLENGING. ACCOMPLISHED L1 DOOR TROUBLESHOOTING IAW J/C 08L80052002, ADJUSTED LATCH RECEIVERS, HORIZONTAL CONTROL ROD, AND UPPER/LOWER GATE AND STOP PIN IAW AMM 52-11-00.