TM 1–1520–238–T–1
Change 5
4–69
4–10 PYLN SYSTEM – INTERACTIVE FD/LS
4–10
CHECK
Personnel Required:
(2)
References:
TM 1-1520-238-23
TM 9-1230-476-20-1
TM 9-1090-208-23-1
TM 9-1230-476-20-2
TM 9-1090-208-23-2
NOTE
Utility hydraulics are required for PYLN
System – FD/LS CHECK.
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:
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
