As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A FA REPORTS L1 DOOR HINGES SEEMS STIFF, TAKES MUCH MORE EFFORT THAN NORMAL TO OPEN/CLOSE DOOR. GROUNDED - YES. LUBRICATED THE L-1 DOOR HINGES REF AMM 12-25-11-640-801. OPENED AND CLOSED THE L-1 DOOR, THE L-1 DOOR OPERATES NORMALLY REF AMM 52-11-00/201.