As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT TRU CAUTION LIGHT AND R STALL WARNING CAUTION LIGHT CAME ON, RETURNED TO GATE. MAINTENANCE FOUND NR 2 PROP BRUSH BLOCK SHORTED AND FUSE FOR PHASE "B" OF NR 2 AC ELECTRIC SYSTEM BLOWN. REMOVED AND REPLACED NR 2 BRUSH BLOCK AND REPLACED NR 2 PHASE "B" FUSE AC CONTACTOR BOX. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.