As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED AN EXPLOSION SOUND WITH A RUSH OF AIR AND SLIGHT SMOKE ODOR WITH A BLEED LEAK 1 MESSAGE. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE BLEED DUCT BRACKET BETWEEN ROW 19 A&B TO BE BROKEN. MAINTENANCE REMOVED AND REPLACED THE AFFECTED BRACKET, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.