TM 1–1520–238–T–1
4–58
Change 4
4–8
MUX SYSTEM – INTERACTIVE FD/LS
4–8
CHECK (cont)
FD/LS NO–GO
DISPLAY
CORRECTIVE ACTION
TYPE I MRTU – LT
BUS NO–GO LH FAB
(ACZ)
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2).
TYPE I MRTU NO–GO
RH FAB
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2). If
troubleshooting does not
remove NO–GO, replace
Type I MRTU
(TM 9-1230-476-20-1). If
replacement does not
remove NO–GO, replace
FCC (TM 9-1230-476-20-1).
If both Type I MRTU
NO–GOs (LH and RH FAB)
appear on HOD, refer to
TM 9-1230-476-20-2.
TYPE I MRTU – RT
BUS NO–GO RH FAB
(ACZ)
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2).
TYPE I MRTU – LT
BUS NO–GO RH FAB
(ACZ)
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2).
DASE MRTU NO–GO
AFT AVIONICS BAY
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2). If
troubleshooting does not
remove NO–GO, replace
DASE computer
(TM 1-1520-238-23). If
replacement does not
remove NO–GO, replace
FCC (TM 9-1230-476-20-1).
If NO–GO still exists, refer to
TM 9-1230-476-20-2.
DASE MRTU – RT
BUS NO–GO AFT
AVIONICS BAY (ACZ)
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2).
DASE MRTU – LT BUS
NO–GO AFT
AVIONICS BAY (ACZ)
Troubleshoot wiring to isolate
fault (TM 9-1230-476-20-2).
