What was found
GROUND PERSONNEL HAD DIFFICULTY OPENING L1 DOOR. INSPECTED L1 DOOR, GIRT BAR MECHANISM, AND FLOOR FITTINGS REF B777 AMM 52-11-17-6, 52-11-00-5 AND DUPLICATED FAULT, DOOR DIFFICULT TO OPEN. FOUND MIGRATED ROLL PIN ON AFT GIRT BAR FLOOR FITTING. RESEATED ROLL PIN AND ACCOMPLISHED GOOD OPS CHECK. INTERIOR AND EXTERIOR DOOR OPERATION IS SMOOTH WITH NO DEFECTS NOTED.