As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER WARNING CABIN ALT HI AT FL 300 CABIN PRESS 9800 WENT TO 12,100 ON DESCENT. CABIN ALT STABILIZES AT 8800 AT 10,000 HSL. BLEED 2 FAIL AND BLEED 2 OVERPRESS ASSOC ICAS MSG'S. DECLARED EMERGENCY. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. FERRIED FOR REPAIRS. INTERROGATED CMC AND FOUND FAULT CODE 36112210AML FOR BOTH BLEED 2 FAIL AND BLEED 2 OVERPRESSURE CAS MESSAGE. COMPLIED WITH FIM TASK 36-11-00-810-812-A. OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.