As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECS SYSTEM WOULD NOT COOL BELOW AMBIENT TEMPERATURE NO MATTER WHAT POSITION THE CONTROL WAS IN, AUTO OR MANUAL. AFTER TROUBLESHOOTING SYSTEM AND TALKING TO TECH REPS, CHANGED COOLING TURBINE AND HEAT EXCHANGER. OPERATIONAL AND FUNCTIONAL CHECKED OK.