As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HOT AIR FAULTS. REFERENCE REPEAT HOT AIR FAULTS TSM 21-63-00-810-849A PLEASE REPLACE THE TRIM AIR PRESSURE REGULATING AND SHUTOFF VALVE AS PROBLEM IS INTERMITTENT. VALVE PCN 644-0100 SEALS, PCN 751-0089 2EA IPC 21-63-03-05-070A AND ITEM 90 SEE AMM 21-63-19-401. DENLM 11-26-2012 (303)-348-7382. REPLACED TRIM AIR VALVE. REPLACED COCKPIT TEMP SELECTOR FOR COCKPIT TEMP CONTROL. OPERATED COCKPIT TEMP CONTROL, CHECKS OK AND CFDS GROUND TEST OKAY.