As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT AT FL235, 'LT BLEED AIR FAIL' ANNUNCIATOR ILLUMINATED. LT BLEED AIR WAS TURNED OFF, WHICH INDUCED A CABIN CLIMB. ACFT FT DESCENDED TO FL 175 BUT CABIN WOULD NOT DESCEND TO BELOW 14,000 ELEVATION. DONNED OXYGEN MASKS AND TURNED ON CABIN OXYGEN. ACFT FLEW AT FL 175 WITHOUT FURTHER INCIDENT.