As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2030 ON TAXI OUT, NR 1 ENGINE MANUAL CAUTION LIGHT ILLUMINATED DURING BETA BACKUP FIRST FLIGHT OF DAY CHECK. MAINTENANCE C/W REST PROCEDURE IAW AIRCRAFT FLIGHT STANDARDS MANUAL. CAUTION LIGHT EXTINGUISHED. NO DEFECT NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.