What was found
CLIMBING THROUGH 20,000 FT ECAM INDICATED AUTO FUEL FEED FAULT 2 CTR PUMPS FAULTED. TURNED CTR PUMPS OFF THEN LT OUTER SHOWED XXS OVERHEAD BLANK. RT OUTER TANK QTY DROPPED STEADILY TO 870 LBS THEN SHOWED XXS INNER TANKS THEN STEADILY DROPPED TO BELOW 5000 IN EACH TANK DOWN TO 4.6/4.5. TOTAL FUEL ON LT ECAM SHOWED XX AS DID GW CG CHECKLIST CALLED FOR PULLING RESETTING CB FOR FQI CHANNEL SUPPLY 1. NO IMPROVEMENT. R & R FUEL QTY COMPUTER IAW AMM 28-42-38-4. OPS CHECKED NORMAL WITH EXCEPTION OF LT OUTER INDCATION REMAINS BLANKED. PERFORMED FAULT ISOLATION IAW TSM 28-42-00 FIG.107, RECEIVED ERROR CODES 312,322 AND 331. LT OUTER TANK PROBE