As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMBOUT, THE FLIGHT ATTENDANT HAD INFORMED THE CAPTAIN THAT SMOKE WAS EMITTING FROM AN OVERHEAD ISLE LIGHT (NUMBERS 3 AND 4) IN ROWS 4 AND 5. THE OVERHEAD LIGHT SWITCH HAD ALREADY BEEN PLACED IN THE OFF POSITON AT THIS POINT. WHEN THE FLIGHT ATTENDANT WENT TO DISABLE THE CIRCUIT BREAKER, IT WAS FOUND OPENED.