As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED, SMELL OF SMOKE FROM THE RIGHT SIDE CABIN OVERHEAD CABIN VENTS WHEN THE RECIRCULATION FAN IS ON. UPON INVESTIGATION, MAINTENANCE FOUND THE OVERHEAD LIGHT BALLAST AT SEAT 7B/8B AND P2 CONNECTOR PLUG BAD. THE BALLAST WAS REPLACED AND THE CONNECTOR WAS REMOVED AND SECURED FOR SAFETY. THE LIGHT WAS DEFERRED PER THE MEL 33-7.