As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB AMBER "ZONE TEMP " LIGHT COMES ON WITH MC RECALL, LT EXTINGUISHES WITH MC RESET. GROUNDED - YES. T/S PER B737-900 FIM 21-62 TASK 801. PERFORMED TEMP CNTL BITE PASSED CONT CABIN AMBER "ZONE TEMP" LIGHT NO LONGER ILLUMINATES ON RECALL.