As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP LIGHT ILLUM ON RECALL. ZONE TEMP LIGHT EXT WHEN MASTER CAUTION WAS RESET. GROUNDED - YES. RESET SYSTEM AND RAN BOTH PACKS FOR 20 MINUTES WITH APU AIR, THEN TESTED SYSTEM PER AMM 21-61-00-700-802-002, BOTH PACK/ZONE TEMPERATURE CONTROLLERS BITE TEST PASSED. NO AIRCRAFT CONFIGURATION CHANGE.