TM 1–1520–238–T–1
Change 5
4–71
4–10 PYLN SYSTEM – INTERACTIVE FD/LS
4–10
CHECK (cont)
TASK
RESULT
d. On DEK, press and
release ABC/1 and
()/0 keys (ADC).
If PYLON ARTICULATION
GO appears on the HOD, go
to next step.
On CDU, press and
release 1 and 0 keys
(ADD).
If PYLON BORESIGHT
NO–GO RAM CHECKSUM
appears on the HOD, refer to
TM 9-1230-476-20-1 for
boresight editing and insert
correctors from the aircraft
logbook. If FCC battery is
suspect, refer to
TM 9-1230-476-20-2 (ACY).
If any other NO–GO appears
on HOD, refer to
TM 9-1090-208-23-2.
If one or more FD/LS
NO–GO displays listed
appear on the HOD, perform
the following in sequence:
(1) Perform SYSTEMS
– POWER DOWN
(para 3–2).
(2) Perform CORRECTIVE
ACTION indicated for first
NO–GO displayed on
HOD.
(3) Perform SYSTEMS
– POWER–UP
(para 3–1).
(4) On DEK, rotate DATA
ENTRY switch to STBY
for 5 seconds, then back
to FD/LS (ADC).
(5) Repeat FD/LS check
beginning with step b. If
NO–GO repeats after
CORRECTIVE ACTION,
refer to
TM 9-1090-208-23-2.
NOTE
Record all NO–GOs before rotating DATA
ENTRY switch to STBY(ADC).
