What was found
ATTEMPTED TO DUMP FUEL FOR RTB MEM AT APPROX 35K AT START OF DUMP, COULD NOT GET NORMAL DUMP TO OCCUR, EVEN AFTER SELECTING DUMP A SECOND TIME. GOT FUEL DUMP VALVE LT & RT DISAGREE ALERTS. TRANSFER PUMPS NEVER CAME ON. AFTER SEVERAL ATTEMPTS , NR 2 TRANSFER PUMP CAME ON BUT DUMP VALVES NEVER OPENED AND NO DECREASE IN FUEL QUANTITY OCCURRED. BURNED DOWN TO 15K FOR LANDING. R &R LT DUMP VALVE CONTROL RELAY R2-5871 AND RT DUMP VALVE CONTROL RELAY R2-5886. PERFORMED DUMP VALVES OPS TEST IAW AMM 28-30-02-2. OPS TEST GOOD. VERIFIED DUMP VALVE POSITIONS AND DUMP VALVE RELAY POSITIONS GOOD THRU CFDS FSC SENSOR READOUT. ALL CHECKS GOOD. FINAL CLOSED.