As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MKE FLIGHT 2266, THE CREW REPORTED THE NR 2 HIGH STAGE BLEED VALVE C/B POPPED IN FLIGHT AND NOTICED A SMOKE SMELL IN THE CABIN. MAINTENANCE INSPECTED AND REPLACED THE NR 2 HIGH STAGE BLEED VALVE. ALSO REPLACED THE NR 2 HIGH STAGE VALVE PRESSURE SWITCH. OPERATIONAL CHECKS WERE GOOD.