What was found
AIRCRAFT ARRIVED AT THE GATE WITH AFT CARGO DOOR OPEN. ACFT GROUNDED. REMOVED AFT CARGO INTERIOR DOOR LINING, INTERIOR DOOR HANDLE AND PANEL IAW AMM 52-31-14-000-801. FOUND A SPRING BROKEN, REPLACED THE SPRING IAW AMM 52-31-14-400-801. PERFORMED CARGO DOOR SYSTEM TEST IAW AMM 52-31-00-700-801, DOOR HANDLE TORQUE TEST PASSED. FOUND AFT BEAM E STOP SPIN LOCK SPRING MISSING IAW AMM 52-31-00-820-801, ADJUSTED STOP PIN TO CORRECTED DIMENSION AND INSTALLED LOCK SPRING.