PurposeUSED TO REMOVE/INSTALL INBOARD TRAILING EDGE FLAPS. A SECONDARY HOIST CAN BE USED TO ROTATE FLAP HORIZONTAL TO PREVENT DAMAGE TO TRAILING EDGE PRIOR TO REMOVAL OF SLING FITTINGSAirplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777FUsage CodeMAINTENANCE 