TM 1–1520–238–T–2
2–121
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
MUX R PYL INBD CIRCUIT BREAKER (CB5)
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)
MUX R PYL OUTBD CIRCUIT BREAKER (CB6)
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)
NA APPEARS ON HOD (PILOT FCP: MASTER
SWITCH SET TO ARM AND CPG FCP: CPG
SWITCH SET TO ARM)
TM 9–1427–475–20
HME SYSTEM
NAV AIR DATA AC CIRCUIT BREAKER (CB84)
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 –
PILOT STATION)
NAV AIR DATA AC CIRCUIT BREAKER DOES
NOT STAY CLOSED
TM 9–1230–476–20–2
AIR DATA SYSTEM
NAV AIR DATA DC CIRCUIT BREAKER (CB69)
DOES NOT STAY CLOSED (PILOT ANTI ICE
PANEL: PITOT ICE DET AD SNSR SWITCH
SET TO ON)
TM 1–1520–238–T–8
PITOT ANTI–ICE
NAV AIR DATA DC CIRCUIT BREAKER (CB69)
DOES NOT STAY CLOSED (PILOT ANTI ICE
PANEL: PITOT ICE DET AD SNSR SWITCH
SET TO ON)
TM 1–1520–238–T–8
ROTOR BLADES
DE–ICE
NAV AIR DATA DC CIRCUIT BREAKER (CB69)
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 –
PILOT STATION)
NAV AIR DATA DC CIRCUIT BREAKER DOES
NOT STAY CLOSED
TM 9–1230–476–20–2
AIR DATA SYSTEM
