PurposeUSED TO SUPPORT THE HORIZONTAL STABILIZER TRIM ACTUATOR FOR STORAGE, HANDLING, AND TRANSPORTATION. USED IN CONJUNCTION WITH J27002, J27007 & J55002.Airplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777-8, 777-9, 777FUsage CodeMAINTENANCE 