As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR HARD TO OPEN AND CLOSE. ACFT GROUNDED. FELT BINDING IN L1 DOOR HANDLE WHEN OPENING DOOR, FELT A CLUNKING IN THE L1 DOOR DURING THE OPENING AND CLOSING. DOOR FITTINGS APPEAR LUBRICATED AND NO OBVIOUS EXTERNAL DAMAGE. FOUND L1 DOOR HORIZONTAL ROD BEARING STIFF. REMOVED AND REPLACED THE HORIZONTAL CONTROL ROD IAW AMM 20-50-910-801. OPS CHECK L1 DOOR IAW AMM 52-11-00-700-804. OPS GOOD.