TM 1–1520–238–T–1
Change 5
4–88.9
4–12A STAB – INTERACTIVE FD/LS CHECK 4–12A
(ACZ) (cont)
TASK
RESULT
If one or more FD/LS
NO–GO displays listed
appear on 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 f. If
NO–GO repeats after
CORRECTIVE ACTION,
refer to
TM 1-1520-238-T-7.
NOTE
Record all NO–GOs before rotating DATA
ENTRY switch to STBY (ADC).
x. On DEK, rotate
DATA ENTRY switch
to STBY (ADC).
