As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 4307 THE CREW REPORTED THAT THE PHOTO LUMINESCENT LIGHT STRIP NEAR THE GALLEY DOOR DID NOT GLOW. MAINTENANCE REMOVED THE AFFECTED STRIP, CLEANED AND REINSTALLED THE STRIP, OPERATIONALLY TESTED WITH NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.