As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL. RESETS WHEN RESETTING MASTER CAUTION. ACFT GROUNDED. PERFORMED ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00 - FOUND NR 2 ZONE TEMP UNIT W/ FLT DECK CABIN SENSOR RED FAULT LIGHT ON IN PREVIOUS FLT MODE. VERIFY TEST OK & SUBSEQUENT TESTS, OPS NORMAL W/ NO FAULT LIGHTS ILLUMINATED CONTROL CAB ZONE TEMP LT NOW EXTINGUISHED ON MASTER RECALL. NO HISTORY LAST 90 DAYS.