As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS L1 DOOR HARD TO OPEN AND CLOSE. GROUNDED - YES. FOUND L1 DOOR HARD TO CLOSE FROM OUTSIDE. PREVIOUS FLT HAD SAME ISSUE. PERFORMED ADJUSTMENT OF GUIDE ARM AND HORIZONTAL CONTROL ROD IAW 52-11-00 DOOR OPEN AND CLOSE TEST WITHIN LIMITS IAW 52-11-00.