TM 11520238T2
260
Table 21.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
ECS ENG ANTIICE CIRCUIT BREAKER (CB67)
DOES NOT STAY CLOSED (PILOT ANTI ICE
PANEL: ENG INLET ON/OFF SWITCH SET TO
ON)
TM 11520238T8
ENGINE ANTIICE
ECS ENG ANTIICE CIRCUIT BREAKER (CB67)
DOES NOT STAY CLOSED (PILOT ANTI ICE
PANEL: PITOT ICE DET AD SNSR SWITCH
SET TO ON)
TM 11520238T8
ROTOR BLADES
DEICE
ECS ENG ANTIICE CIRCUIT BREAKER (CB67)
DOES NOT STAY CLOSED (PILOT ELEC PWR
PANEL: BATT/EXT PWR SWITCH SET TO EXT
PWR)
TM 11520238T6
CIRCUIT
PROTECTION
SYSTEM (DC
ESSENTIAL BUS 1
PILOT STATION)
ECS FAB FANS CIRCUIT BREAKER (CB88)
DOES NOT STAY CLOSED (CPG AUX/
ANTIICE PANEL: STBY FAN SWITCH SET TO
STBY FAN)
TM 11520238T8
ENVIRONMENTAL
CONTROL SYSTEM
ECS FAB FANS CIRCUIT BREAKER (CB88)
DOES NOT STAY CLOSED
TM 11520238T8
ENVIRONMENTAL
CONTROL SYSTEM
ECS FAB FANS CIRCUIT BREAKER (CB88)
DOES NOT STAY CLOSED (PILOT ECS
PANEL: STBY FAN SWITCH SET TO STBY
FAN)
TM 11520238T8
ENVIRONMENTAL
CONTROL SYSTEM
ECS FAB FANS CIRCUIT BREAKER (CB88)
DOES NOT STAY CLOSED (PILOT ELEC PWR
PANEL: BATT/EXT PWR SWITCH SET TO EXT
PWR)
TM 11520238T6
CIRCUIT
PROTECTION
SYSTEM (AC
ESSENTIAL BUS 2
PILOT STATION)
ECS ICE DET CIRCUIT BREAKER (CB68) DOES
NOT STAY CLOSED (APU OPERATING)
TM 11520238T8
ROTOR BLADES
DEICE
ECS ICE DET CIRCUIT BREAKER (CB68) DOES
NOT STAY CLOSED (PILOT ELEC PWR
PANEL: BATT/EXT PWR SWITCH SET TO EXT
PWR)
TM 11520238T6
CIRCUIT
PROTECTION
SYSTEM (DC
ESSENTIAL BUS 3
PILOT STATION)