As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4305 - FLT ATTENDANT REPORTED SMOKE FROM READING LIGHT OVER 8A, B. TURNED OFF LIGHT SWITCH AND SMOKE STOPPED. DISCONNECTED READING LIGHT POWER SUPPLY AND MEL, D READING LIGHT PER 25-19. READING LIGHT 8B LIGHT ASSY AND POWER UNIT IAW STANDARD PRACTICE. PERFORMED OPERATIONAL CHECK SATISFACTORILY. A/C RETURNED TO SERVICE. (M)