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 DURING PUSH BACK. COMPLIED WITH QRH PROCEDURE, LIGHT RESET WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED A BITE TEST IAW AMM 21-51-00-700-803 - NO FAULTS FOUND. PERFORMED CABIN TEMP CONTROL OPS CHECK IAW AMM 21-61-00-700-807-002, OPS CHECKED GOOD, NO DEFECTS. NO HISTORY IN PAST 30 DAYS.