As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAB CR SYS 1 + 2 FAULT AFTER TAKOFF ( AUTOMATIC CABIN PRESSURE CONTROL SYSTEMS (CPC, OUTFLOW VALVE AUTO CHANNELS) SYSTEM 1 )-R/R PRESSURE CONTROLLER 1 IAW AMM 21-31-34. NO DEFECTS NOTED. THIS CLOSES DMI# 2850626-1. PLACARD REMOVED.MOC NOTIFIED. OPS TEST OK.