As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES ON RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED-YES. PERFORMED NR 2 TEMP CONTROLLER BITE CHECK. FOUND RT ACTUATOR FAULT. FAULT RESET. OPERATED RT PACK SYSTEM OPERATIONS GOOD. REACCOMPLISHED BIT TEST BITE TEST GOOD, REF B737-800 FIM 21-61 TASK 801.