TM 1-1520-238-T-4
4132
449.
ENGINE 1 DOES NOT START (cont)
7. Set and hold ENG START NO 1 switch in
START position, check for 28 VDC at
P977A14.
Is voltage present?
YES
Repair open wire between
(A330)J1A14 and
(A402)XK15/6X1.
Go to paragraph 412.
NO
Go to step 8.
8. Check for open between P977A14
and P173L.
Does open exist?
YES
Repair open wire.
Go to paragraph 412.
NO
Go to step 9.
9. Check for open between (A24):
J1L and S331.
Does open exist?
YES
Repair open wire.
Go to paragraph 412.
NO
Replace ENG START NO 1
switch (S33)
(TM 1-1520-238-23).
END OF TASK