As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE TORQUE DROPPED TO 0 PERCENT IN FLIGHT THE ACFT YAWED & ENGINE NOISE DROPPED. TROUBLESHOTING SYSTEM, FOUND CONNECTOR ON NR 1 MFCU, AFU AND EEC HAD OIL CONTAMINATION. CONNECTORS WERE CLEANED IAW MM 20-24-06. A POWER ASSURANCE RUN WAS ACCOMPLISHED IAW JIC 72-00-00 EDU 10010. ALL PARAMETERS CHECKED NORMAL AND AIRCRAFT RETURN TO SERVICE.