As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C WOULD NOT PRESSURIZE DURING CLIMBOUT. POM PROCEDURE WERE FOLLOWED AS WELL AS MULTIPLE BLEED CONFIGURATIONS WERE TRIED INCLUDING USING APU BLEED AND STBY AND MANUAL AC/DC MODES ON CONTROLLER. MAIN AND FWD OUTFLOW VLVS WERE CLOSED. SECURED LOOSE SENSE LINE TO LEFT ENGINE BLEED.