As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL SMELL OBSERVED IN THE FLIGHT DECK. NSPECTED GALLEY AREAS AS WELL AS AVIONICS COOLING FANS. FLIGHT CREW HAD NO OTHER ABNORMAL INDICATIONS OR SYSTEM MALFUNCTIONS. ACCOMPLISHED POWER RUNS AND REPLACED AEVC FILTER CARTRIDGE AS PRECAUTINARY MEASURES. NO TRIPPED BREAKERS FOUND. CAUSE UNDETERMINED.