As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE BALLAST LIGHT BULB ABOVE ROW 6A BURNT OUT DURING FLIGHT & CAUSED A MINOR HAZE IN THE CABIN. THE ACFT LANDED AT ITS INTENDED DESTINATION WITHOUT FURTHER INCIDENT. MX DEFERRED THE LIGHT SOCKET. THE DEFERRAL WAS CLEARED ON 7/2/14 WHEN MX REPLACED THE LIGHT BULB & THE LIGHT BULB SOCKET. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.