As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FUMES IN CABIN AND FLIGHT DECK DURING CRUISE. TURNING OFF UTILITY BUSSES ALLOWED ODOR TO DISSIPATE. CREW ELECTED TO DIVERT INTO IAD (ATL-PVD FLIGHT). DL MTC AND FLT CREW REPORTED FINDING LT ILS RECEIVER CIRCUIT BREAKER TRIPPED. FURTHER MTC INSPECTION OF ILS RECEIVER SHOWED UNIT TO HAVE FAILED/SMOKED AND EMINATING STRONG ODOR. REPLACED TRANSCEIVER.