As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 940, HNL-KOA: AFTER TAKEOFF WITH PRESSURIZATION SYSTEM IN NORMAL AUTO MODE, THE CABIN PRESSURE CLIMBED. WITH THE AIRCRAFT SWITCHED TO STANDBY, HAD SAME RESULTS. OUTFLOW VALVE WAS FULLY CLOSED; SAME RESULTS. RETURNED TO HNL, NO EMERGENCY DECLARED. UNEVENTFUL LANDING. SDR STATUS - OPEN