What was found
NR1 ENGINE FADEC FAIL IN FLIGHT, NR1 ENGINE SHUTDOWN, QRH COMPLIED WITH, EMERGENCY LANDING. DOWNLOADED EMU, PWC ANALYZED DATA AND FOUND CHANNEL A AND CHANNEL B FADEC FAILED. REMOVED AND REPLACED NR 1 ENG FADEC IAW AMM 73-21-01-04, 71-00-00-868-805, PERFORMED POWER ASSURANCE CHECK NO DEFECTS NOTED IAW AMM 71-00-00-868-020. AC RETURNED TO SERVICE.