TM 10-1670-296-20&P                                                    0006 00 0006 00-19 Table 2.  Preventive Maintenance Checks and Services – continued B – Before D – During A – After INTERVAL ITEM NO. B D A ITEM TO BE CHECKED   OR SERVICED EQUIPMENT NOT READY/ AVAILABLE IF: 34 Extraction Parachute Jettison System.  Check all cables for damage. Check EPJD for squib-fired condition. Cable is damaged. Squib is fired. CONTROL BOX Y CONNECTOR Y CONNECTOR Y CONNECTOR Y CONNECTOR 28 VDC POWER SUPPLY 115 VAC POWER CABLE POWER CABLE MAIN CABLE INTERCONNECT CABLE PLATFORM CABLE INITIATOR SIMULATOR INTERCONNECT CABLE INTERCONNECT CABLE PLATFORM CABLE INITIATOR SIMULATOR 35 Extraction Parachute Jettison System Device.  Check EPJD for presence of foreign matter.   Ensure that all parts are present and securely fastened together. Device is not complete or has foreign matter present.