What was found
FLT 5642, RETURNED TO FIELD WITH PRESSURIZATION FLUCTUATION PROBLEM. OPS CHECKED GOOD AFTER FUNCTIONAL FLIGHT ADJUSTMENT TEST OF BOTH CABIN PRESSURE CONTROLLERS IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 5642, RETURNED TO FIELD WITH PRESSURIZATION FLUCTUATION PROBLEM. OPS CHECKED GOOD AFTER FUNCTIONAL FLIGHT ADJUSTMENT TEST OF BOTH CABIN PRESSURE CONTROLLERS IAW AMM.