As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYC FLIGHT NR 2329, CABIN WOULD NOT PRESSURIZE NORMALLY ABOVE ATTITUDE 10000. MAINTENANCE CYCLED AIRCRAFT POWER. C/W FUNCTIONAL TEST OF THE AFT OUTFLOW VALVE IAW 21-31-00-720-801. OPS CHECK OF PRESSURIZATION CONTROL GOOD IAW 21-31-00-710-803. FUNCTIONAL TEST OF PRESSURIZATION CONTROL IS GOOD IAW 21-31-0-720-023. NO PARTS REPLACED. AIRCRAFT OK FOR CONTINUED SERVICE.