As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO ELECTRICAL ODOR IN THE COCKPIT AND CABIN. ACCORDING TO THE SHOP REPORT, RESISTOR R170 WAS DAMAGED BY OVERHEAT AND CAUSED SOME DISCOLORATION ON THE CIRCUIT BOARD. THIS IS THE TYPE OF FAILURE REPORTED ON BOEING SERVICE LETTER 757-SL-24-069-A. THE UNIT HAS BEEN INSTALLED ON THIS ACFT FOR APPROXIMATELY 1,800 FHRS.