As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- ELECTRICAL BURNING ODOR WHEN ENTERING THE AIRCRAFT IN THE FWD GALLEY AREA. INSPECTED FLIGHT DECK AND CABIN FOR SOURCE OF ODOR. FOUND NO LOCAL SOURCE. INSPECTED NR 1 AFT NACELLE AREA AND FOUND 'HOT' ODOR -REF LP 445432 FOR 'BLEED HOT' DISCREPANCY, SUSPECT RESIDUE ODOR IN A/C DUCTING. NO FURTHER DEFECTS FOUND. RETURNED TO SERVICE. NO PARTS REPLACED.