As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP LIGHT ILLUMINATED MASTER CAUTION RESETS LIGHT, PRESS RECALL & LIGHT ILLUMINATES. ACFT GROUNDED. PERFORMED PACK ZONE TEMP CONTROLLER BITE CHECK IAW AMM 21-61-00-700-806-002. OPS CHECKED GOOD. DID NOT DUPLICATE ORIGINAL DISCREPANCY AND FOUND NO MAINT HISTORY WITHIN THE PAST 10 DAYS.