As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 3229, THE CREW REPORTED THE NUMBER TWO PACK CAUSED A BURNING SMELL DURING DESCENT. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE NUMBER TWO PACK TO BE OPERATING NORMALLY, FURTHER INSPECTION REVEALED THE CAPTAINS WINDSHIELD TERMINAL BLOCK WAS BURNT. THE CAPTAINS WINDSHIELD WAS REMOVED AND REPLACED, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.