As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK ILLUMINATES WITH MASTER CAUTION RECALL. PERFORMED A BITE CHECK OF THE PACK/ZONE TEMP. CONTROLLER REF FIM TASK 21 62 00 810 801 FOUND THE TCV ON CONTROLLER NR 1 HAS AN INTERMITTENT FAULT. CLEARED FAULT SYSTEM OPS NORMAL BY GROUND VERIFICATION.