TM 1–1520–238–T–2
2–90
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
GREEN ACCEPT INDICATOR ON AN/APM–424
TRANSPONDER TEST SET DOES NOT LIGHT
FOR EACH MODE (PILOT IFF
TRANSPONDER CONTROL PANEL: MODE 4
SWITCH SET TO ON) (AN/APM–424
TRANSPONDER TEST SET: TEST SEQ
SWITCH PRESSED AND RELEASED)
TM 11–1520–238–23–2
IFF SYSTEM
GREEN ACCEPT INDICATOR ON AN/APM–424
TRANSPONDER TEST SET DOES NOT LIGHT
(TEST SEQ SWITCH PRESSED AND
RELEASED)
TM 11–1520–238–23–2
IFF SYSTEM
GROUND JACK IS DAMAGED AND WILL NOT
ACCEPT GROUND PLUG
TM 1–1520–238–T–7
GRAVITY
REFUELING/
DEFUELING
GROUND JACK IS DAMAGED AND WILL NOT
ACCEPT GROUND PLUG
TM 1–1520–238–T–7
PRESSURE
REFUELING/
DEFUELING
GS DATA IS NOT 150 KPH (CDU: KEYBOARD
150 ENTERED ON SCRATCH PAD AND VAB
NEXT TO DISPLAYED WORD KPH PRESSED)
TM 11–1520–238–23–2
DOPPLER
NAVIGATION
SYSTEM (DNS)
AN/ASN–137
GUN CONTROL BOX NO–GO RH FAB APPEARS
ON HOD
TM 9–1090–208–23–2
AREA WEAPON
SYSTEM
GUN FAIL APPEARS ON HOD (CPG CYCLIC
STICK: R/G/M/C SWITCH SET TO G)
TM 9–1090–208–23–2
AREA WEAPON
SYSTEM
GUN FAIL APPEARS ON HOD (CPG CYCLIC
STICK: TRIGGER PULLED)
TM 9–1090–208–23–2
AREA WEAPON
SYSTEM
GUN TURRET DOES NOT UNSTOW (CPG
CYCLIC STICK: R/G/M/C SWITCH SET TO G)
TM 9–1090–208–23–2
AREA WEAPON
SYSTEM
GUN TURRET LIMITS MESSAGE DOES NOT
NOT APPEAR ON HOD WHEN GUN TURRET
REACHES ITS LIMITS
TM 9–1090–208–23–2
AREA WEAPON
SYSTEM
GUN TURRET UNSTOWS TO OTHER THAN
FIXED FORWARD (CPG CYCLIC STICK:
R/G/M/C SWITCH SET TO G)
TM 9–1090–208–23–2
AREA WEAPON
SYSTEM
