As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE OIL FILTER BYPASS EICAS MESSAGE ILLUMINATED. WIRING CHECKS WERE PERFORMED, AND THE GROUND WIRE THAT GOES TO THE EICAS COMPUTERS FOR THE OIL BYPASS MESSAGE WAS FOUND CHAFED. WIRE WAS REPAIRED. WIRE NUMBER W3494-1027-18 EIGHT INCHES FROM CONNECTOR D40116J.