As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED ZONE TEMP LIGHTS COME ON DURING MASTER CAUTION RECALL FAULT ISOLATION PROCEDURE AND BITE PROCEDURE FOR LH & RH PACK TEMPERATURE CONTROLLERS FLT DECK TRIM VLVE FAULT LIGHT CLEARED & CONT CAB LIGHT IS NO LONGER ILLUMINATING ON MASTER CAUTION RECALL NO DEFECTS NOTED IAW B737-900ER FIM 21-62 TASK 848 STEP 848C.-F. & IAW B737-900ER FIM 21-62 TASK 801 STEP 801B.