TM 1-1520-238-T-7
11289
1160. PILOT CYCLIC GRIP NO-GO PLT COMPARTMENT APPEARS ON HOD (cont)
1160
6. Check for short between J113A11 and
J113A10.
Does short exist?
YES
Repair shorted wire between:
J113A11 and P423B15,
J113A10 and P423B16.
Go to paragraph 1123.
NO
Go to step 7.
7. Check for short between J113A11 and
J113A9.
Does short exist?
YES
Repair shorted wire between:
J113A11 and P423B15,
J113A9 and P423B7.
Go to paragraph 1123.
NO
Replace pilot cyclic stick
(TM 1-1520-238-23).
8. With pilot cyclic stick FORCE TRIM REL switch
set to ON, check for 28 VDC at P686117.
Is voltage present?
YES
Go to step 13.
NO
Go to step 9.
9. Check for 28 VDC at (A76)J1Y.
Is voltage present?
YES
Go to step 10.
NO
Refer to TM 1-1520-238-T-6 to
troubleshoot circuit protection
system (dc emergency bus
pilot station).
10. Check for open between wire end
(A402)TB39K and P463Y.
Does open exist?
YES
Repair open wire.
Go to paragraph 1123.
NO
Go to step 11.
11. Check for open between wire end
(A402)TB39L and J113A9.
Does open exist?
YES
Repair open wire.
Go to paragraph 1123.
NO
Go to step 12.
12. Check for open between J113A5 and
P686117.
Does open exist?
YES
Repair open wire.
Go to paragraph 1123.
NO
Replace pilot cyclic stick
(TM 1-1520-238-23).
13. With pilot cyclic stick FORCE TRIM REL switch
held to FORCE TRIM REL, check for 28 VDC at
P686116.
Is voltage present?
YES
(ACA) Replace DASEC
(TM 1-1520-238-23).
(ACB) Go to step 15.
NO
Go to step 14.
14. Check for open between P686116 and
J113A11.
Does open exist?
YES
Repair open wire.
Go to paragraph 1123.
NO
Replace pilot cyclic stick
(TM 1-1520-238-23).
15. (ACB) Detach filter adapter A707. Check for
open through pin A707116.
Does open exist?
YES
Replace filter adapter
(TM 1-1520-238-23).
NO
Replace DASEC
(TM 1-1520-238-23).
END OF TASK
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