What was found
CABIN PRESS FAILURE @FL230 CABIN CLIMBED RAPIDLY AND DID NOT RESPOND TO QRH STEPS. CONTINUED FLIGHT UN-PRESSURIZED W/ CONTROLLER UNRESPONSIVE IN AUTO MODE. R/R CABIN PRESSURE CONTROLLER
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN PRESS FAILURE @FL230 CABIN CLIMBED RAPIDLY AND DID NOT RESPOND TO QRH STEPS. CONTINUED FLIGHT UN-PRESSURIZED W/ CONTROLLER UNRESPONSIVE IN AUTO MODE. R/R CABIN PRESSURE CONTROLLER