As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4232 THE CREW REPORTED A BURNING SMELL IN THE CIOCKPIT AT LEVE;L OFF. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT AND REMOVED AND REPLACED THE #1 PAC INLET DUCT, OPERATIONAL AND LEAK CHECKED WITH NO DEFECTS NOTED AND THE AIRCRATF WAQS APPROVED FOR RETURN TO SERVICE.