What was found
DURING CLIMB, THRU APPROX 18K, NOTICED LT OUTER FUEL QTY DECREASING AT APPROX 500-1000 LBS MIN, THIS WAS ON THE ECAM AND OVHD PANEL. REF QRH UNDER "POSSIBLE FUEL LEAK" PULLED FQI CHAN SUPPLY 1 2 C/B'S. WHEN FUEL INDICATIONS RETURNED LT OUTER RESUMED IT'S STEADY DECREASE. AFTER LANDING (30K UNDER MAX LNG WT) ALL FUEL IND'S RETURNED TO NORMAL (IE FUEL IND IN OUTERS). T/S INFO MTSI 28-40/1374, PER MOCC REQUEST COMPLIED WITH STEP A: DURING BITE CHECK FOUND FAULTS 312 AND 322 ON FQI. COMPLIED WITH TSM 28-42-00 FAULT CODE TROUBLESHOOTING PAGE 127, NO DEFECTS FOUND. STEP B: LEFT OUTER TANK CAPACITANCE AND RESISTANCE CHECKS OK PER MM 28-42-00-5. STEP C: VERIFIED WIRING AND PINS FROM CONNECTORS 56VC AND 5073VC PER AWM 28-42-02. PERFORMED CAPACITANCE AND RESISTANCE CHECKS ON LEFT OUTER TANK, ALL CHECKS NORMAL PER MM 28-42-00-5.