As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF ON INITIAL CLIMBOUT, CABIN WOULD NOT PRESSURIZE. AUTO FAIL LIGHT ILLUMINATED. COMPLIED WITH CHECKLISTS. UNABLE TO PRESSURIZE CABIN IN STANDBY OR MANUAL, AC OR DC OUT FLOW VALUE INDICATOR STAYED FULL CLOSED AT ALL TIMES. SECURED CANNON PLUGS ON OUTFLOW VALVE. PRESSURIZED ACFT, NO LEAKS FOUND.