TM 1-1520-238-T-6
9–245
9–64.
LT FORM CIRCUIT BREAKER (CB90) – DOES NOT STAY CLOSED (cont)
9–64
6. Detach wire from XDS1 SP2. Check for short
between:
P115-8 and ground,
P441-A17and ground.
Does short exist?
YES
Repair shorted wire between:
P441-A17 and J115-8,
P115-8 and XDS1 SP2.
Go to paragraph 9–62.
NO
Replace left wing formation light
(TM 1-1520-238-23).
7. Check for short between P431-A3 and ground.
Does short exist?
YES
Go to step 8.
NO
Go to step 9.
8. Detach wire from XDS4 SP2. Check for short
between:
P431-A3 and ground,
P410-B15 and ground,
P124-29 and ground,
P1012-1 and ground.
Does short exist?
YES
Repair shorted wire between:
P431-A3 and J410-B15,
P410-B15 and J124-29,
P124-29 and J1012-1,
P1012-1 and XDS4 SP2.
Go to paragraph 9–62.
NO
Replace tail formation light
(TM 1-1520-238-23).
9. Check for short between P442-A12 and ground.
Does short exist?
YES
Go to step 11.
NO
Go to step 10.
10. Detach wire from XDS2 SP2. Check for short
between:
P116-1 and ground,
P440-A15 and ground.
Does short exist?
YES
Repair shorted wire between:
P440-A15 and J116-1,
P116-1 and XDS2 SP2.
Go to paragraph 9–62.
NO
Replace right wing formation
light (TM 1-1520-238-23).
11. Detach wire from XDS3 SP1. Check for short
between P442-A12 and ground.
Does short exist?
YES
Repair shorted wire between
P442-A12 and XDS3 SP1.
Go to paragraph 9–62.
NO
Replace fuselage formation light
(TM 1-1520-238-23).
END OF TASK
