As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, ON MASTER CAUTION RECALL, CONT CAB ZONE TEMP ANNUNCIATION ILLUMINATES. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-62 TASK 842 CONT CAB ZONE TEMP LIGHT ON AND STAYS OFF AFTER RESET. NO CURRENT FAULTS. GROUND VERIFICATION GOOD. OKAY FOR CONTINUED SERVICE. ORIG SUB DATE: 12/15/2022