What was found
DURING CLIMB, UNABLE TO CONTROL CABIN PRESSURE. FLIGHT RETURNED TO DTW. MAINTENANCE REPLACED THE CABIN PRESSURE SELECTOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB, UNABLE TO CONTROL CABIN PRESSURE. FLIGHT RETURNED TO DTW. MAINTENANCE REPLACED THE CABIN PRESSURE SELECTOR.