What was found
MULTIPLE FAILURES ON LIFT OFF, NR 1 ADC NR 1 FLIGHT DIRECTOR, NR 1 PITCH TRIM, AUTO FEED FAULT, TRIM TANK PUMPS FAIL, LT INNER TANK PUMP FAIL 2 FAIL, RT INNER TANK 1 FAIL, CAPTAIN`S ALPHA HEAT FAULT, CAPTAIN`S STAT HEAT FAULT, GROSS WT & CG FEEDBACK ON ECAM, SUSPECT FAULT WITH AIR GROUND SENSOR OR PROXIMITY DETECTOR BOX. CAPTAIN`S ADC & FD SWITCHING REGAINED DISPLAY ON CAPTAIN`S PFD, ON GROUND STAND BY PROBE OVERHEAT CAME ON. PERFORMED A DISPLAY TEST ON MTP PANEL & FOUND THE FOLLOWING 3 FAIL RECORDS, 1A 28 VDC POWER LOSS, 1B MTP FAIL, 2A FCC 1 FAIL, 2B FCC 2 FAIL & 3 FCU FAIL. FOUND DC ESSENTIAL ON BATTERY WARNING DISPLAY ON OVERHEAD & ON ECAM. PERFORMED BITE TEST ON PROX DET UNIT & FOUND ONLY ONE FAULT LOGGED, FAULT 70. SCANNED SENSORS & ALL COME UP GREEN. RESET BOX & DOWN POWERED ACFT, NO CHANGE IN THE MULTIPLE FAILURES IN COCKPIT. REMOVED AND REPLACED PROXIMITY DETECTOR PROCESSING UNIT (54GB) REF AMM32-31-71-04. BITE CHECK GOOD. AMM: SMP SEE WRI 24-30/3328 FOR ELECTRICAL PROBLEM S IGNOFF. PERFORMED ADJ/TEST AND OPS CHECKED ADC, NR 1 FLIGHT DIRECTOR, NR 1 PITCH TRIM, AUTO FUEL FEED SYSTEM, TRIM TANK PUMPS, LH INNER TANK PUMP NR 2, RT INNER TANK PUMP NR 1, CAPTAIN`S ALPHA HEAT, CAPTAINS STATIC HEAT AND CGCC SYTEMS.