What was found
FLT 1422 LGB-PDX, ON CLIMBOUT 3000FT HYD Y ENG PUMP LO PRESSURE ON ECAM THAT WENT AWAY PROMPTLY. ABOVE 11,000FT SAME ECAM THAT STAYED ON. PTU TOOK OVER & SUPPLIED PRESSURE TO Y SYSTEM & PUMP SHOWED "LO" ON HYD SYSTEM PAGE. TURNED OFF Y ENGINE DRIVEN PUMP & RETURNED TO LGB. REPLACED WIRE AT 404VC PIN 10 IAW AMM 70-71-24-00 13. ALL YELLOW HYD IND NORMAL- IDLE ENGINE RUN & HIGH POWER TEST 11 ACCOMPLISHED PER AMM 71-00-00- INDICATIONS NORMAL- OK TO CONTINUE SERVICE. (NR 2 ENG)