As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG - ON FLIGHT 2427 BOTH FLIGHT COMPARTMENT AND CABIN PACK HOT LIGHTS CAME ON. NORMAL DUCT TEMPERATURES. LIGHTS EXTINGUISHED WHEN PACKS WERE TURNED OFF PER CHECKLIST. RESET ECS. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.