Table 2–1. Master Failure Symptom Index (cont)

TM 1–1520–238–T–2 2–5 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom Reference MOC AFT FUEL QTY INDICATOR DOES NOT INDICATE E (REFUELING PANEL: FUEL QTY SWITCH SET TO OFF) TM 1–1520–238–T–7 GRAVITY REFUELING/ DEFUELING AFT FUEL QTY INDICATOR DOES NOT INDICATE E (REFUELING PANEL: FUEL QTY SWITCH SET TO OFF) TM 1–1520–238–T–7 PRESSURE REFUELING/ DEFUELING AFT FUEL QTY INDICATOR DOES NOT INDICATE SAME FUEL LOAD AS PILOT FUEL QUANTITY INDICATOR AFT VERTICAL DISPLAY (REFUELING PANEL: REFUEL VALVE SWITCH SET TO OPEN) TM 1–1520–238–T–7 PRESSURE REFUELING/ DEFUELING AFT FUEL QTY INDICATOR DOES NOT SHOW INCREASE DURING PRESSURE REFUELING TM 1–1520–238–T–7 PRESSURE REFUELING/ DEFUELING AFT VERTICAL DISPLAY SCALE ON PILOT FUEL QUANTITY INDICATOR DOES NOT SHOW INCREASE (PILOT FUEL PANEL: EXT TK SWITCH SET TO ON) TM 1–1520–238–T–7 AUXILIARY FUEL SYSTEM AIRCRAFT PHYSICAL DAMAGE IS EVIDENT (APU OPERATING) TM 1–1520–238–T–8 AUXILIARY POWER UNIT AIRCRAFT SYMBOL DOES NOT MOVE UP AND DOWN ON FACE OF SAI GYROSPHERE (PILOT SAI: PULL TO CAGE KNOB ROTATED CLOCKWISE AND COUNTERCLOCKWISE) TM 1–1520–238–T–5 ENGINE INSTRUMENTS AIR DATA AC OR AIR DATA DC CIRCUIT BREAKERS DO NOT STAY CLOSED TM 1–1520–238–T–7 STABILATOR AIR DATA PROCESSOR NO–GO AFT AVIONICS BAY APPEARS ON HOD TM 1–1520–238–T–7 DASE AIR DATA PROCESSOR NO–GO AFT AVIONICS BAY APPEARS ON HOD TM 9–1230–476–20–2 AIR DATA SYSTEM AIR DOES NOT FLOW THROUGH VENT TUBE DURING PRESSURE REFUELING TM 1–1520–238–T–7 PRESSURE REFUELING/ DEFUELING