As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROX 1 HOUR INTO FLIGHT DETECTED HOT/OVERHEATED ELECTRICAL EQUIPMENT ODOR. NO SMOKE PRESENT IN COCKPIT OR CARGO COMT. ODOR LASTED APPROX ONE MINUTE THEN DISSIPATED. DID NOT HAPPEN AGAIN DURING REST OF FLIGHT.TURNED BOTH PACKS ON FOR AN HOUR PER AMM 21-00-00/201, ALSO LET THE AIRPLANE WITHOUT AIR CONDITIONING FOR AN HOUR, COULD NOT DUPLICATE THE PROBLEM. C/W AMM 05-51-56-202-001 AND NO DISCREPANCY NOTED.