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

TM 1–1520–238–T–2 2–14 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference APU FIRE PULL HANDLE DOES NOT LIGHT (PILOT MASTER CAUTION/ WARNING PANEL: PRESS TO TEST SWITCH PRESSED) TM 1–1520–238–T–8 APU FIRE DETECTION APU FIRE PULL HANDLE IS NOT LIGHTED (PILOT APU FIRE TEST PANEL: FIRE TEST DET SELECTOR SET TO 1) TM 1–1520–238–T–8 APU FIRE DETECTION APU FIRE PULL HANDLE IS NOT LIGHTED (PILOT APU FIRE TEST PANEL: FIRE TEST DET SELECTOR SET TO 2) TM 1–1520–238–T–8 APU FIRE DETECTION APU FIRE TEST PANEL EDGE–LIGHT IS NOT LIGHTED (PILOT EXT LT/ INTR LT PANEL: R/CTR CSL CONTROL ROTATED TO BRT) TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU FUEL BOOST PUMP DOES NOT OPERATE (PILOT APU FIRE TEST PANEL: START/RUN/OFF SWITCH SET TO RUN) TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU FUEL SHUTOFF VALVE DOES NOT CLOSE (PILOT APU FIRE TEST PANEL: START/RUN/OFF SWITCH SET TO OFF) TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU FUEL SHUTOFF VALVE DOES NOT OPEN (PILOT APU FIRE TEST PANEL: START/RUN/OFF SWITCH SET TO RUN) TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU FUEL SHUTOFF VALVE DOES NOT CLOSE (PILOT BTL DISCHARGE/APU PANEL: FIRE PULL HANDLE PULLED) TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU HOLD CIRCUIT BREAKER (CB10) DOES NOT STAY CLOSED TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU HOLD CIRCUIT BREAKER (CB10) DOES NOT STAY CLOSED (PILOT APU FIRE TEST PANEL: START/RUN/OFF SWITCH SET TO OFF) TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU HOLD CIRCUIT BREAKER (CB10) DOES NOT STAY CLOSED (PILOT APU FIRE TEST PANEL: START/RUN/OFF SWITCH SET TO RUN) TM 1–1520–238–T–8 AUXILIARY POWER UNIT