As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT 2377, NR 2 BLEED HOT CAUTION LIGHT ILLUMINATED IN FLIGHT. NR 2 BLEED SWITCH WAS TURNED OFF PER CHECKLIST BUT THE CAUTION LIGHT STAYED ILLUMINATED FOR THE REST OF THE FLIGHT. MAINTENANCE REMOVED AND INSTALLED NR 2 BLEED OVER TEMPERATURE SWITCH IAW Q400 AMM TASK 36-11-16-000-801 FOR REMOVAL AND TASK 36-11-16-400-801 FOR INSTALLATION. OPS CHECK GOOD IAW Q400 AMM TASK 36-11-00-710-802. AIRCRAFT RETURNED TO SERVICE.