As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - FLT 0554 - FLIGHT ATTENDANTS REPORTED SEEING SPARKS AROUND AIR VENTS ON THE RT SIDEWALL BETWEEN ROWS 11 AND 12. MAINTENANCE INSPECTED WIRING IN THE OVERHEAD PANELS FROM ROW 10 TO ROW 14 FOR DEFECTS. NO DEFECTS WERE NOTED. REMOVED AND REPLACED THE RT SIDEWALL LIGHT AT ROW 11 FOR FLICKERING. REPORTED FOR PRECAUTIONARY PURPOSES.