What was found
AFTER TAKEOFF, FLT NR 9003 RETURNED TO EWR AFTER ALL F/F INDICATORS FAILED. REMOVED AND REPLACED FUEL FLOW POWER SUPPLY PER MM 73-31-12. OPS OK. FURTHER INVESTIGATION DETERMINED WIRE NR 198-14 SHORTED TO LFT ANTI-ICE VALVE C/P. REPAIRED WIRE AND REPLACED P90 PLUG OF NR 1 F/F TRANSMITTER DUE SATURATION, PER 73-30. OP CHECK OK. AFTER BENCH CHECK OF F/F POWER SUPPLY BY AMETEK THERE WAS NO FAULT FOUND WITH UNIT. (W)