TM 1–1520–238–T–1
Change 5
4–123
4–19 TRAN – INTERACTIVE FD/LS CHECK
4–19
Personnel Required:
(3)
References:
TM 1-1520-238-T-4
TM 9-1230-476-20-2
NOTE
If the AGPU is selected to provide power to the
aircraft, refer to paragraph 3–1. If the APU is
selected to provide power to the aircraft, refer to
paragraph 3–3.
1. Perform SYSTEMS – POWER–UP procedures in
accordance with paragraph 3–1.
2. Perform FD/LS check as follows:
NOTE
Control/switch position changes prompted by
FD/LS must be performed within 30 seconds
of prompt message, or a false NO–GO
message appears.
If FD/LS message on HOD (fig. 2–34) does
not change within 2 seconds after responding
to the prompted control/switch position
change (acknowledge), discontinue FD/LS
test; go to TM 1-1520-238-T-4 and perform
the DRIVE SYSTEM – OPERATIONAL
CHECK.
TASK
RESULT
a. On DEK (fig. 2–49),
rotate DATA ENTRY
switch to FD/LS
(ADC). On CDU (fig.
2–49.2), select FAB
If there are no system
failures, the following
message (prompt) appears:
ANY KEY FOR FD/LS
MENUS
FDLS (ADD).
When a list of failures is
displayed, the list is scrolled
by pressing and releasing the
ENTER/ SPACE key on the
DEK (ADC) or SPC key on
the CDU (ADD). Scroll until
the following message
(prompt) appears:
ANY KEY FOR FD/LS
MENUS
