TM 1-1520-238-T-7
Change 5
10–130.9
10–35E.
FUEL XFEED CIRCUIT BREAKER DOES NOT STAY CLOSED WITH ENGINE 1 AND
10–35E
ENGINE 2 CROSSFEED VALVES AT AFT (ADB) (cont)
8. Check for short between (L2)J1–9 and ground.
Does short exist?
YES
Replace engine 2 fuel
crossfeed/shutoff valve
(TM 1-1520-238-23).
NO
Go to step 9.
9. Detach wire at (A402)TB2–17–H. Check for
short between (A402)J5–B7 and ground.
Does short exist?
YES
Repair shorted wire between
(A402):
J5–B7 and TB2–17–H.
Go to paragraph 10–17.
NO
Go to step 10.
10. Detach wire at (A402)TB3–28/29–D. Check for
short between TB2–17–E and ground.
Does short exist?
YES
Repair shorted wire between
(A402):
TB2–17–E and TB3–28/29–D.
Go to paragraph 10–17.
NO
Go to step 11.
11. Detach wire at (A402)TB2–17–J. Check for short
between (A402)TB3–28/29–J and ground.
Does short exist?
YES
Repair shorted wire between
(A402):
TB3–28/29–J and TB2–17–J.
Go to paragraph 10–17.
NO
Go to step 13.
12. Check for short between (A402)TB3–28/29–D
and ground.
Does short exist?
YES
Replace terminal board
TB3–28/29 (TM 1-1520-238-23).
NO
Go to step 13.
13. Remove relay (A402)K5–6 (TM 1-1520-238-23).
Check for short between (A402)TB2–17–B and
ground.
Does short exist?
YES
Repair shorted wire between
(A402):
TB2–17–B and KX5–6–X1.
Go to paragraph 10–17.
NO
Replace relay (A402)K5–6
(TM 1-1520-238-23).
END OF TASK
