As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON MASTER CAUTION RECALL. ACFT GROUNDED. ANNUNCIATOR REMAINS EXTINGUISHED UPON MASTER CAUTION RECALL. PERFORMED BITE TEST OF L & R PFTC'S - NO EXISTING FAULTS AND GROUND TEST PASS - OPS NORMAL WITH NO DEFECTS NOTED. CONT CAB ZONE TEMP ANNUNCIATOR STILL EXTINGUISHED WITH MASTER CAUTION RECALL. GROUND VERIFICATION SUCCESSFUL.