TM 1–1520–238–T–22–83Table 2–1.Master Failure Symptom Index (cont)Failure SymptomMOCReferenceFUEL DOES NOT FLOW FROM SUMP DRAINHOSE (AFT PUSH–TO–DRAIN CONTROLPUSHED)TM 1–1520–238–T–7HELICOPER FUELSYSTEM VISUALCHECKFUEL DOES NOT FLOW FROM SUMP DRAINHOSE (FORWARD PUSH–TO–DRAINCONTROL PUSHED)TM 1–1520–238–T–7HELICOPER FUELSYSTEM VISUALCHECKFUEL FILL CIRCUIT BREAKER (CB32) DOESNOT STAY CLOSED (PILOT ELEC PWRPANEL: BATT/EXT PWR SWITCH SET TO EXTPWR)TM 1–1520–238–T–6CIRCUITPROTECTIONSYSTEM (DCEMERGENCY BUS –PILOT STATION)FUEL FILL CIRCUIT BREAKER (CB32) DOESNOT STAY CLOSED (REFUELING PANEL: LVLCONT VALVE SWITCHES SET TO CLOSE)TM 1–1520–238–T–7PRESSUREREFUELING/DEFUELINGFUEL FILL CIRCUIT BREAKER (CB32) DOESNOT STAY CLOSED (REFUELING PANEL: LVLCONT VALVE SWITCHES SET TO OPEN)TM 1–1520–238–T–7PRESSUREREFUELING/DEFUELINGFUEL FILLER CAP DOES NOT FIT INTO FUELCELL FILLER PORTTM 1–1520–238–T–7GRAVITYREFUELING/DEFUELINGFUEL FLOW IS NOT PRESENT FROM ENGINE 1OVERBOARD FUEL DRAIN (PILOT FUELPANEL: CROSSFEED SWITCH SET TO AFTTK AND BOOST SWITCH SET TO ON)TM 1–1520–238–T–4POWER PLANTS(ENGINE 1)FUEL FLOW IS NOT PRESENT (PILOT FUELPANEL: CROSSFEED SWITCH SET TO AFTTK AND BOOST SWITCH SET TO ON)TM 1–1520–238–T–7GRAVITYREFUELING/DEFUELINGFUEL FLOWS FROM ENGINE 1 NACELLEOVERBOARD DRAIN (CPG FUEL PANEL: TKSEL SWITCH SET TO NORM AND BOOSTSWITCH MOVES TO OFF)TM 1–1520–238–T–7FUEL CROSSFEED/BOOST SYSTEM
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