As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAULT CODE 216 224 00 - ZONE TEMPERATURE CONTROL: ZONE TEMP LIGHT COMES ON UNEXPECTEDLY DURING MASTER CAUTION RECALL - CONT CAB GROUNDED - YES. RESET RIGHT PZTC CONTROL CABIN TRIM AIR VALVE FAULT. OBSERVED TAV DURING BITE, NO DEFECTS NOTED. VALVE MOVED FULL TRAVEL SMOOTHLY OPEN AND CLOSE.