As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT 2450: NR 1 BLEED HOT CAUTION LIGHT ILLUMINATED (EXT ONCE NR 1 BLEED SELECTED OFF PER CHECKLIST AFTER ABOUT 45 SPC TO 1 MINUTE). MAINTENANCE COMPLIED WITH OPS TEST OF BLEED AIR SYSTEM PER 36-11-00. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.