PurposeUSED TO PERFORM ENGINE PRESSURE LEAK TEST OF THE ENGINE FUEL FEED MANIFOLD. -1 IS USED ON GE90, -2 ON PW, AND -30 ON RR ENGINES. THIS TOOL REPLACED BY G28018 FOR FUTURE PROCUREMENTAirplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777-8, 777-9, 777FUsage CodeMAINTENANCE 