TM 1-1520-238-T-7 11–376.2 Change 5 11–91. STAB MAN DC CIRCUIT BREAKER – DOES NOT STAY CLOSED (cont) 11–91 14. Check for short between: P437–E and ground, P437–B and ground. Does short exist? YES Go to step 15. NO Go to step 16. 15. Detach J993 from (A641)P1. Check for short between: P437–E and ground, P437–B and ground. Does short exist? YES Repair shorted wire between P437–E and J993–D, P437–B and J993–A. Go to paragraph 11–88. NO Replace PLT MAN STAB CONT switch (A641) (TM 1-1520-238-23). 16. Check for short between P427–G and ground. Does short exist? YES Go to step 17. NO Go to step 19. 17. Detach P485 from (A323)J7. Check for short between P427–G and ground. Does short exist? YES Repair shorted wire between P427–G and P485–R. Go to paragraph 11–88. NO Go to step 18. 18. With MAN CONT NOSE UP (A323)K1–3 relay removed, check for short between (A323)J7–R and ground. Does short exist? YES Repair shorted wire between (A323)J7–R and XK1–3–X1. Go to paragraph 11–88. NO Replace MAN CONT NOSE UP relay (A323)K1–3 (TM 1-1520-238-23). 19. Check for short between P431–B10 and ground. Does short exist? YES Go to step 20. NO Go to step 23. 20. Detach P1077 from (A329)J1. Check for short between P431–B10 and ground. Does short exist? YES Repair shorted wire between P431–B10 and P1077–L. Go to paragraph 11–88. NO Go to step 21. 21. Check for short from P1077–S and ground. Does short exist? YES Go to step 22. NO Repair shorted wire between (A329): TB1–3–E and TB1–1/2–G, TB1–3–B and TB1–1/2–F, J1–L and TB1–1/2–C, TB1–1/2–H and TB1–3–H, TB1–3–L and J1–S, Go to paragraph 11–88.