As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2043 RT TRU CAUTION LIGHT CAME ON IN CRUISE. MAINTENANCE REPLACED NR 2 PROP BRUSH BLOCK AND FUSES. FOUND TRU CIRCUIT BREAKER POPPED. RESET BREAKER IAW GMM 5-18-0. PERFORMED FUNCTION TEST OF TRU'S. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.