As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL AFTER ENG START CONT ZONE TEMP LIGHT ILLUMINATED. COMPLETED QRH LIGHT RESET ON MASTER CAUTION RESET. GROUNDED - YES. AIRCRAFT RELEASED PER MEL 21-21G PRIMARY CONTROL CABIN ZONE TEMP INOP. BOTH LT AND RT PACK FLOW TEMP CONTROLLERS PASS GRND BITE TEST. CONT CAB ZONE TEMP OPS CHECK GOOD REF M/M FIM 21-62 TASK 801.