What was found
INSPECTION TYPE:NA*A/C WAS OOS* FUEL MIGRATES FROM THE LEFT FUEL TANK TO THE CNTR FUEL TANK . FUEL WAS LOADED CORRECTLY ON THE GROUND IN ELP . LEFT 9.5 , CENTER 1. O , RIGHT 9.35 DURING TAXI SHOWING L-9.2 , C-1.3 , R- 9.5 , AFTER CLIMB LEVEL OFF AT FL 380 , LEFT MAIN TNK SHWED 6.5 CNTR 2.1, R 7.5. WERE ABLE TO FULL CONNECT THE BLNCE. THIS WAS OUR THIRD LEG WITH A/C.FOUND FUEL NITROGEN FROM LEFT TANK TO CENTER RATE WITH FUEL PUMPS "ON " APPROXIMATELY 100 LBS PER 12 MINUTES & 100 LBS PER 2 HOURS WITH OUT FUEL PUMP PRESSURE . REMOVED AND REPLACED THE FLOAT OPERATED SHUT OFF VALVE IAW AMM 28-22-10-404-009. REMOVED AND REPLACED THE SCAVENGE SYSTEM EJECTOR PUMP IAW AMM 28-22-13 REM DRAIN CK VLV IAW AMM 28-21-05-401