TM 1–1520–238–T–2
2–149
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
PITCH SWITCH DOES NOT STAY ON AND ASE
INDICATOR IS LIGHTED (PILOT ASE PANEL:
PITCH SWITCH SET TO PITCH)
TM 1–1520–238–T–7
DASE
PITOT HTR CIRCUIT BREAKER (CB36) 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
PITOT HTR CIRCUIT BREAKER (CB36) 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
EMERGENCY BUS –
PILOT STATION)
PITOT TUBE (LT WING) HEATER DOES NOT
HEAT (PILOT ANTI ICE PANEL: PITOT ICE
DET AD SNSR SWITCH SET TO ON)
TM 1–1520–238–T–8
PITOT ANTI–ICE
PITOT TUBE (RT WING) HEATER DOES NOT
HEAT (PILOT ANTI ICE PANEL: PITOT ICE
DET AD SNSR SWITCH SET TO ON)
TM 1–1520–238–T–8
PITOT ANTI–ICE
PLAIN INDICATOR (RED) DOES NOT LIGHT
(CIPHONY PANEL: MODE SWITCH SET TO
PLAIN)
TM 11–1520–238–23–2
TSEC/KY–28
COMMUNICATIONS
SECURITY
EQUIPMENT
PLAIN INDICATOR (RED) REMAINS LIGHTED
(CIPHONY PANEL: MODE SWITCH SET TO
CIPHER)
TM 11–1520–238–23–2
TSEC/KY–28
COMMUNICATIONS
SECURITY
EQUIPMENT
PMSL MESSAGE DOES NOT APPEAR ON HOD
(PILOT CYCLIC STICK: R/G/M/C SWITCH SET
TO M)
TM 9–1427–475–20
HME SYSTEM
PNVS (FLIR) DIRECT VIDEO DOES NOT
APPEAR ON HOD
TM 9–1270–221–23
IHADSS
PNVS SHROUD WINDOW HEATER DOES NOT
COOL (PILOT FIRE CONTROL PANEL: PNVS
SWITCH SET TO OFF AND PILOT ANTI ICE
PANEL: TADS/PNVS SWITCH SET TO OFF)
TM 1–1520–238–T–8
CANOPY DEFOG
AND ANTI–ICE
