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

TM 1–1520–238–T–2 2–13 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference APU DOES NOT RUN AND APU NO–GO FUEL SOL NOT ON APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO IGNITION DOES NOT ON APPEAR ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO IGNITION NOT OFF APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO LOW OIL PRESSURE APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO OVERSPEED APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO OVERTEMP APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO PTO CLUTCH APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO START RELAY APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT RUN AND APU NO–GO UNDERSPEED APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT START TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU DOES NOT START AND APU NO–GO UNDERSPEED APPEARS ON HOD TM 1–1520–238–T–8 AUXILIARY POWER UNIT APU FIRE PULL HANDLE DOES NOT LIGHT (PILOT APU FIRE TEST PANEL: FIRE TEST DET SWITCH SET TO 1) TM 1–1520–238–T–8 APU FIRE DETECTION APU FIRE PULL HANDLE DOES NOT LIGHT (PILOT APU FIRE TEST PANEL: FIRE TEST DET SWITCH SET TO 2) TM 1–1520–238–T–8 APU FIRE DETECTION APU FIRE PULL HANDLE DOES NOT LIGHT (PILOT MASTER CAUTION/WARNING PANEL: PRESS TO TEST INDICATOR PRESSED) TM 1–1520–238–T–6 PILOT CAUTION AND WARNING SYSTEM