Airframe & Powerplant B717 MD80 MD90 ENGINE FIREX SYST. TESTER Tests continuity and load carrying capability of the firex discharge cartridge firing circuitry. Replaces DZZ7703-1, T&E 26-20-01 and T&E 26-20-03. TAGS: 26 OEM PN:: DZZ7703-501 TOMX PN:: N/A TOOL TAG: SPL-887 Related posts Fuel tank access tableAntenna Connector ProtectorsTERMOHIGROMETER LOGGERCF34-10E ENGINE STAND ADAPTER KITPISTOLA DE CALOR BOSCHSLING UNIVERSAL HANDLINGInterior Panel GageLock Aleron Actuator B757B717 LEADING EDGE COVER KITSLIDE SAFETY SIGN