TM 1–1520–238–T–2
2–96
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
ICING SEVERITY METER DOES NOT INDICATE
GREATER THAN 0.0 G/M3 WHEN ENG ICE
INDICATOR IS LIGHTED (PILOT AFT CIRCUIT
BREAKER PANEL: ECS BLADE DE–ICE
CONTR AND ECS BLADE DE–ICE CIRCUIT
BREAKERS CLOSED)
TM 1–1520–238–T–8
ROTOR BLADES
DE–ICE
IFF ANTENNA DAMAGE IS FOUND
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS AND MODE 4 REPLY
INDICATOR DO NOT LIGHT (MODE 4 AUDIO
SWITCH SET TO LIGHT)
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS AND MODE 4 REPLY
INDICATOR DO NOT LIGHT (MODE 4 AUDIO
SWITCH SET TO LIGHT) (KIR–1A/TSEC
COMPUTER CODE CHANGED)
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS DO NOT LIGHT (PILOT
CENTER CIRCUIT BREAKER PANEL: COMM
IFF CIRCUIT BREAKER OPENED)
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS DO NOT LIGHT (PILOT IFF
TRANSPONDER CONTROL PANEL: MODE 4
SWITCH SET TO AUDIO)
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS DO NOT LIGHT (PILOT IFF
TRANSPONDER CONTROL PANEL: MODE 4
CODE SWITCH SET TO ZERO, MODE 4 TEST
SWITCH SET TO ON AND MODE 4 AUDIO
SWITCH SET TO OUT, THEN MODE 4 CODE
SWITCH SET TO A)
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS DO NOT LIGHT (PILOT OR
CPG MASTER CAUTION/WARNING PANEL:
PRESS TO TEST INDICATOR PRESSED)
TM 11–1520–238–23–2
IFF SYSTEM
IFF INDICATORS LIGHT (KIT–1A/TSEC
COMPUTER: CODE INSERTED BY
KIK–18/TSEC) (KIR–1A/TSEC COMPUTER
CONNECTED TO AN/APM–378 TEST SET)
TM 11–1520–238–23–2
IFF SYSTEM
IFF TRANSPONDER DAMAGE FOUND
TM 11–1520–238–23–2
IFF SYSTEM
