PurposeUSED WITH CUSTOMER SUPPLIED AIR TOOL TO OPERATE THE TRAILING EDGE FLAPS IN THE ABSENCE OF AIRPLANE POWER, OR WHEN MAINTENANCE PRECLUDES THE USE OF THE PDU DRIVE SYSTEMAirplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777FUsage CodeMAINTENANCE, OVERHAUL 