TM 1–1520–238–T–2
2–118
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
MODE UTM DOES NOT CHANGE TO MODE L/L
(CDU: VAB NEXT TO DISPLAYED WORD
ADMIN PRESSED AND THEN VAB NEXT TO
DISPLAYED WORDS MODE UTM PRESSED)
TM 11–1520–238–23–2
DOPPLER
NAVIGATION
SYSTEM (DNS)
AN/ASN–137
MOISTURE LEVEL TOO HIGH (PILOT ECS
PANEL: TEMP CONTROL SET TO COLD OR
WARM)
TM 1–1520–238–T–8
ENVIRONMENTAL
CONTROL SYSTEM
MSL ARM CIRCUIT BREAKER (CB27) 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
GROUND CIRCUIT
BREAKERS – CPG
STATION)
MSL DC ELEC CIRCUIT BREAKER (CB17) 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
ESSENTIAL BUS 3 –
CPG STATION)
MSL FAIL APPEARS ON HOD (CPG CYCLIC
STICK: R/G/M/C SWITCH SET TO M)
TM 9–1427–475–20
HME SYSTEM
MSL L INBD LCHR AC CIRCUIT BREAKER
(CB23) 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 (AC
ESSENTIAL BUS 1 –
CPG STATION)
MSL L INBD LCHR DC CIRCUIT BREAKER
(CB24) 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
GROUND CIRCUIT
BREAKERS – CPG
STATION)
MSL L OUTBD LCHR AC CIRCUIT BREAKER
(CB26) 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 (AC
ESSENTIAL BUS 1 –
CPG STATION)
