TM 1–1520–238–T–1
Change 5
4–125
4–19 TRAN – INTERACTIVE FD/LS CHECK (cont)
4–19
TASK
RESULT
(1) Perform SYSTEMS
– POWER DOWN
(para 3–2) and APU
shutdown (para 3–3).
(2) Perform CORRECTIVE
ACTION indicated for first
NO–GO displayed on
HOD.
(3) Perform SYSTEMS
– POWER–UP
(para 3–1).
(4) Repeat FD/LS check
beginning with step 2. If
NO–GO repeats after
CORRECTIVE ACTION,
refer to
TM 1-1520-238-T-4.
NOTE
Record all NO–GOs before rotating DATA
ENTRY switch to STBY (ADC).
f. On DEK, rotate
DATA ENTRY switch
to STBY (ADC).
NOTE
If this FD/LS check is to be followed by a
DRIVE SYSTEM – INDICATORS
OPERATIONAL CHECK (TM 1-1520-238-T-4),
omit step 3.
3. Perform SYSTEMS – POWER DOWN (para 3–2) if
power no longer required.
