PurposeUSED TO INSTALL/REMOVE FWD/AFT SMALL CARGO DOORS, AND OPTIONAL FWD LARGE CARGO DOOR OR FREIGHTER FWD/AFT CARGO DOORS, AND FWD/AFT LARGE CARGO DOOR, AND PASSENGER ENTRY DOORAirplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777-8, 777-9, 777FUsage CodeMAINTENANCE 