PurposeUSED TO BYPASS, OR JUMPER, ICS (INTEGRATED COOLING SYSTEM), GCUS (GALLEY COOLING UNITS), AND SCUS (SUPPLEMENTAL COOLING UNITS) WHEN THEY LEAK. IN ADDITION, THE EQUIPMENT IS USED TO PLUG THE LRUS (LINE REPLACEABLE UNITS) FROM THE PECS (POWERED ELECTRONIC CAirplane787-8, 787-9Usage CodeMAINTENANCE 