What was found
FLT NR 5500 STL DURING CLIMB ACFT AUTO AND MANUAL PRESSURIZATION FAILED. MX R&R THE DIGITAL CONTROLLER. OPS CHECKED GOOD ON THE GROUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT NR 5500 STL DURING CLIMB ACFT AUTO AND MANUAL PRESSURIZATION FAILED. MX R&R THE DIGITAL CONTROLLER. OPS CHECKED GOOD ON THE GROUND.