What was found
(8475162) GATE AGENT SAID THE GUST LOCK ON THE MAIN CABIN DOOR WAS HARD TO OPEN. IT WAS NOT RELEASING PROPERLY. REMOVED FWD ENTRY DOOR GUIDE ARM AND ROLLER PER B737 AMM 52-11. PARTIALLY REMOVED UPPER DOOR ASSIST SPRING PER B737 AMM 52-11. REMOVED ALL 3 DOOR ASSIST SPRING BOLTS. REPLACED UPPER GUIDE PLATE. INSTALLED MIDDLE SPRING BOLT REF B737 AMM 52-11-41. INSTALLED LOWER BOLT 26, AND AND LOWER SPRING BOLT 30, REF B737 AMM 52-11-41. INSTALLED DOOR GUIDE ARM ASSY PER B737 AMM 52-11. INSTALLED UPPER DOOR ASSIST SPRING HARDWARE. REF B737 AMM 52-11. DOOR OPS CKS OK.