What was found
CARGO DOOR OPENED IN FLIGHT. NO WARNING FROM CWP OR MASTER WARNING REMOVED COATING PANEL ABOVE CARGO DOOR. OPS CHECK OF WARNING SYSTEM GOOD IAW REPS 52-30-00. REINSTALLED COATING PANEL ABOVE CARGO DOOR IAW AMM 20-08-00, W/O 0300978, CARGO DOOR HINGES ARE DAMAGED. REMOVED CARGO DOOR HINGES IAW AMM 52-30-00. PERFORMED LIQUID PENETRANT INSPECTION OF CARGO DOOR TRAILING EDGE AND UNDER THE CARGO DOOR HINGE ATTACHMENT SKIN AREA IAW STRUCTURAL INSPECTION MANUAL STANDARD PRACTICES DOCUMENT DQG069565/JMP/ 0628-07. NO FAULT FOUND. REPLACED HINGE IAW SRM 51-90-01, CARGO DOOR HANDLE HAS EXCESSIVE PLAY REMOVED CARGO DOOR HANDLE IAW MM 52-30-00. REMOVED AND REPLACED CARGO DOOR HANDLE IAW REPS 52-30-00. OPS CHECK GOOD.