TM 1–1520–238–T–2
2–110
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
MAIN ROTOR HEATER NO–GO MAIN ROTOR
APPEARS ON HOD (APU OPERATING)
TM 1–1520–238–T–8
ROTOR BLADES
DE–ICE
MAIN ROTOR OR TAIL ROTOR DO NOT
ROTATE (ENGINE START SEQUENCE
COMPLETED)
TM 1–1520–238–T–4
DRIVE SYSTEM
VIBRATION
MAINTENANCE LIGHT IN AFT AVIONICS BAY
DOES NOT LIGHT (RHEOSTAT ROTATED TO
BRT)
TM 1–1520–238–T–6
MAINTENANCE
LIGHTS
MAINTENANCE LIGHT IN RIGHT FAB BAY DOES
NOT LIGHT (RHEOSTAT ROTATED TO BRT)
TM 1–1520–238–T–6
MAINTENANCE
LIGHTS
MAINT LT CIRCUIT BREAKER (CB8) DOES NOT
STAY CLOSED (BATTERY CONNECTED)
TM 1–1520–238–T–6
MAINTENANCE
LIGHTS
MA LAMP DOES NOT START FLASHING WITHIN
6 SECONDS AFTER APPEARANCE OF
SECOND STROBE (RADAR WARNING
CONTROL UNIT: DSCRM SWITCH SET TO
ON AND SELF TEST SWITCH ACTIONED)
TM 11–1520–238–23–2
INTEGRATED AUDIO
WARNING SYSTEM
(IAWS)
MA LAMP FAILS TO FLASH AFTER 6 SECONDS
(RADAR WARNING CONTROL PANEL:
DSCRM SWITCH SET TO OFF AND SELF
TEST SWITCH ACTIONED)
TM 11–1520–238–23–2
RADAR WARNING
SYSTEM
AN/APR–39(V)1
MA LAMP FAILS TO FLASH AND ALARM TONE
IS NOT PRESENT AFTER 6 SECONDS
(RADAR WARNING CONTROL PANEL:
DSCRM SWITCH SET TO ON AND AFTER
ONE MINUTE SELF TEST KEY PRESSED)
TM 11–1520–238–23–2
RADAR WARNING
SYSTEM
AN/APR–39(V)1
MAL AND MEM INDICATORS DO NOT LIGHT,
DIM OR BRIGHTEN (CPG INTR LT PANEL:
INST CONTROL ROTATED FROM BRT TO
OFF THEN BACK TO BRT)
TM 11–1520–238–23–2
DOPPLER
NAVIGATION
SYSTEM (DNS)
AN/ASN–128
