As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA-EN ROUTE FROM SEA TO BOI, NR 2 BLEED AIR HOT LIGHT ILLUMINATED. FOLLOWED CHECKLIST, LIGHT EXTINGUISHED. RETURNED TO BOI. REMOVED AND REPLACED NR 2 BLEED OVERTEMP SWITCH. OPERATIONAL CHECK GOOD. NO CAUTION LIGHT NOTED. AIRCRAFT RETURNED TO SERVICE.