As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT 2270: DURING TAKE-OFF ROLL, NR 1 BLEED HOT CAUTION LIGHT ILLUMINATED. AS PER CHECKLIST, TURNED OFF NR 1 BLEED. LIGHT EXTINGUISHED. MAINTENANCE INSPECTED AND FOUND THAT CDS INDICATED L HPSOV FAULTED. REPLACED L HPSOV IAW Q400 AMM TASK 36-11-09-000-801 AND 36-11-09-400-801. GROUND RAN NR 1 ENGINE. FAULT DID NOT REOCCUR. AIRCRAFT RETURNED TO SERVICE.