What was found
DURING THE RETURN FLIGHT FROM, EXPERIENCED A ECU (FADEC) FAILURE ON THE NR 2 ENGINE. IAW THE EMERGENCY PROCEDURES, REDUCED THE THROTTLE ON THE NR 2 ENGINE AND SWITCHED TO MANUAL CONTROL. PILOT NOTIFIED DEPARTURE APT OF THE PROBLEM AND EXECUTED AN UNEVENTFUL LANDING. MECHANICS REPORTED THE IIDS INDICATED A ECU FAULT AMSOLFLT AND NR 2 MECU FAULT. T AFTER PERFORMING INSPECTION TASK AND CLEANING HMU AND ECU, CONNECTOR PLUGS NO FAULTS WERE FOUND.