As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER REPORTED SMOKE FROM READING LIGHTS IN ROW 20ABC SEATS. CREW ADVISED TO TURN LIGHTS OFF AND NO SMOKE WAS NOTED. PERFORMED OP 5088. OPENED PSU ON ROW 19 20 21 ABC INCLUDING OVERHEAD AND SIDEWALL LIGHT POWER SUPPLY. VISUALLY INSPECTED FOR SMOKE BURN OR ODOR. NO EVIDENCE NOTED. CK OK, CLOSED ALL PANELS.