As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTS, AN ELECTRICAL SMELL NEAR THE EMERGENCY EXIT ROWS. NO SMOKE REPORTED AND IT DISAPPEARED AFTER 10 MIN. LOWERED PSU DOORS AT EMERGENCY EXIT ROWS, NO DEFECTS NOTED AND COULD NOT DUPLICATE. RETURNED A/C TO FLIGHT AND NO FURTHER DISCREPANCIES ON THIS OR SUBSEQUENT FLIGHTS.