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

TM 1–1520–238–T–2 Change 5 2–34.1/(2–34.2 blank) Table 2–1. Master Failure Symptom Index (cont) Failure Symptom Reference MOC CDU REMAINS BLANK OR INVALID CONFIGURATION IS DISPLAYED TM 11–1520–238–23–2 DOPPLER NAVIGATION SYSTEM (DNS) AN/ASN–137 CDU RT BUS NO–GO CPG COMPARTMENT (ADD) TM 9–1230–476–20–2 MULTIPLEX SUBSYSTEM (ADD) CDU SCREEN DOES NOT DIM THEN BRIGHTEN (BRT CONTROL ROTATED FULLY COUNTERCLOCKWISE THEN BACK TO BRT) TM 11–1520–238–23–2 DOPPLER NAVIGATION SYSTEM (DNS) AN/ASN–137 CDU SCREEN IS BLANK (AN/ASN–137) (ADC) TM 11–1520–238–23–2 DOPPLER NAVIGATION SYSTEM (DNS) AN/ASN–137 (ADC) CDU SCREEN IS BLANK (AN/ASN–137) (ADD) TM 11–1520–238–23–2 DOPPLER NAVIGATION SYSTEM (DNS) AN/ASN–137 (ADD) CHAFF CIRCUIT BREAKER (CB48) DOES NOT STAY CLOSED (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH SET TO EXT PWR) TM 1–1520–238–T–6 CIRCUIT PROTECTION SYSTEM (DC EMERGENCY BUS – PILOT STATION) CHAFF CIRCUIT BREAKER (CB48) DOES NOT STAY CLOSED (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH SET TO EXT PWR) TM 9–1090–208–23–2 DISPENSER SYSTEM – M92 TEST SET