As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURIZATION SYSTEM INOP IN AUTO AND MANUAL. RETURNED TO PDX. REPLACED PRESSURIZATION CONTROLLER PER MM 21-31-01. OPS CHECKS GOOD IN AUTO MODE ON GROUND. PN ON: 22201T011400 SNON: 191 SNOFF: 152. REPLACED PNEUMATIC OUTFLOW VALVE PER RII 21-303 . PN ON: 2093K010800 SNON: 144 SNOFF: 159. OPS CHECKS GOOD MANUAL MODE ON GROUND.