As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT DEPARTED UNDER MEL FOR ONE BLEED INOPERATIVE. AFTER DEPARTURE THE FLIGHT CREW REPORTED BEING UNABLE TO PRESSURIZE THE ACFT. THE FLIGHT RETURNED. NO EMERGENCY DECLARED NR 2 BLEED REPLACED BLEED TEMP SENSOR IAW AMM 36-14-03. ENGINE PNUEMATIC BLEED SYS TEST CARRIED OUT IAW AMM TASK 36-11-00-710-801-A.