What was found
MAIN DOOR CABLE: LEFT SIDE MAIN CABIN DOOR COUNTER BALANCE CABLE WILL NOT RETRACT AND UNABLE CLOSE DOOR FROM INSIDE THE AIRCRAFT. REMOVED MAIN ENTRY DOOR STAIRS, FOUND FORWARD DOOR SPRING BROKEN, NO OTHER DAMAGE NOTED, PUT SPRING AND SOME SCREWS ON ORDER. (JPC 2/25) REMOVED BROKEN COUNTER BALANCE SPRING. INSTALLED CUSTOMER SUPPLIED NEW SPRING, ADJUSTED SPRING TENSION AS REQUIRED, OPS CHECKS OF DOOR GOOD. CLOSED ACCESS TO ANO REINSTALLED STEPS. POST MX CHECKS SATISFACTORY. REF CE-680 AMM 52-10-50.