As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 230 GOT CABIN A/T ON EO2 COMPLIED WITH POMI PROCEDURES DESCENDED TO FL 100 COULD NOT CONTROL. CABIN ALTITUDE CONTINUED FLIGHT UNPRESSURIZED. COMPLIED WITH PRESSURIZATION CHECK IAW AMM 21-31-00. NO DEFECTS NOTED. OPERATIONS CHECKED GOOD.