What was found
CABIN ALTITUDE WARNING AT FL220 UNABLE TO CONTROL CABIN IN AUTO OR MANUAL. DIVERTED. PRESSURIZED ACFT IAW AMM. DISPLAY COOL MESSAGE REMAINED OFF. ACFT PRESSURIZES AND DEPRESSURIZED SMOOTHLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ALTITUDE WARNING AT FL220 UNABLE TO CONTROL CABIN IN AUTO OR MANUAL. DIVERTED. PRESSURIZED ACFT IAW AMM. DISPLAY COOL MESSAGE REMAINED OFF. ACFT PRESSURIZES AND DEPRESSURIZED SMOOTHLY.