As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT AIRCO BLOWS HOT AIR UNABLE TO COOL COCKPIT, ACCOMPLISHED TROUBLESHOOTING IAW AMM 21-60-00-01 WAS FOUND AIR CYCLE MACHINE OIL WAS BLACK AND ACM BLOWS HOT AIR RT SIDE AIR CYCLE MACHINE WAS REPLACED IAW AMM 21-50-10-04 OPERATIONAL TEST SATISFACTORY.