TM 1-1520-238-T-7 Change 5 10–171 10–53. FUEL TRANS CIRCUIT BREAKER – DOES NOT STAY CLOSED (cont) 10–53 8. Detach P191 and P174, check for short between: P174–B3 and ground, P174–A10 and ground, P191–A4 and ground. Does short exist? YES Repair shorted wire between: P174–B3 and P191–A3, P191–A4 and P174–B2. Go to paragraph 10–47. NO (ADA) Repair shorted wire between: P437–a and P174–B11, (A402)J2–D and (A402)J25–a. Go to paragraph 10–47. (ADB) Go to step 9. 9. (ADB) Detach (A402)J25 and check for short between: (A402)J2–D and ground, P437–a and ground. Does short exist? YES Repair shorted wire between: (A402)JD–2 and (A402)J25–a, P437–a and P174–B11. Go to paragraph 10–47. NO Go to step 10. 10. (ADB) Check for short between P429–A18 ground. Does short exist? YES Repair shorted wire. Go to paragraph 10–47. NO Replace relay (A402)K5–9 (TM 1-1520-238-23). 11. Detach P940, check for short between P174–A9 and ground. Does short exist? YES Go to step 12. NO Go to step 13. 12. Detach P429, check for short between P174–A9 and ground. Does short exist? YES Repair shorted wire between P174–A9 and P429–B5. Go to paragraph 10–47. NO Go to step 14. 13. With P940 detached, check for short between P174–B1 and ground. Does short exist? YES Repair shorted wire between: P940–3 and P444–A12, P429–B15 and P174–B1. (A402): J31–A12 and TB2–13–R, TB2–13–S and J23–B15, Go to paragraph 10–47. NO Replace fuel transfer air control valve (TM 1-1520-238-23). 14. Detach P444, check for short between P444–A10 and ground. Does short exist? YES Repair shorted wire between P444–A10 and P940–1. Go to paragraph 10–47. NO Go to step 15. 15. Detach wire end from (A402)TB2–13–H and check for short to ground. Does short exist? YES Repair shorted wire between (A402): J23–B5 and TB2–13–H. Go to paragraph 10–47. NO Repair shorted wire between (A402): J31–A10 and TB2–13–G. Go to paragraph 10–47. END OF TASK Paragraphs 10–54, 10–55, and all data on pages 10–172 thru 10–175 deleted