PurposeUSED TO COMPRESS THE LATCH OR HANDLE GAS SPRING LOCATED ON PASSENGER ENTRY DOORS. COMPRESSION OF THE LATCH OR HANDLE GAS SPRING ENSURES FORCES TRANSMITTED BY THE GAS SPRINGS ARE CONTAINED BY THE SPRING COMPRESSOR, ENABLING THE GAS SPRINGS TO BE INSTALLED OAirplane787-10, 787-8, 787-9Usage CodeMAINTENANCE, OVERHAUL 