As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2092 - ENGINE MANUAL NR 1 CAUTION LIGHT CAME ON DURING TEST OF DAILY SYSTEMS. MAINTENANCE CYCLED BETA LOCKOUT CIRCUIT BREAKER CAUTION LIGHT EXTINGUISHED. NO FURTHER DEFECT NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.