As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT FAILED TO PRESSURIZE AFTER TAKEOFF. PERFORMED BITE TEST ON BOTH CABIN PRESSURIZATION CONTROLLERS PER FIM TASK, NO FAULTS DISPLAYED AND BOTH SYSTEMS OPERATE NORMAL, ALSO PERFORMED CABIN PRESSURIZATION LEAK TEST UP TO 3.0 PSI IAW AMM, NO SQUEALS OR LEAKS NOTED ON DOOR L-1 AREA.