As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURNING SMELL WAS NOTICED BY PASSENGER IN D ZONE ON RIGHT SIDE PULLED CIRCUIT BREAKERS FOR READING LIGHTS AND SIDE-WALL LIGHTS. *S/D* RESET CIRCUIT BREAKERS FOR READING AND SIDEWALL LIGHTS. TURNED READING LIGHTS ON FOR TWO HOURS, NO ELECTRICAL ODOR NOTED.