As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CIRCUIT BREAKER UTILITY OUTLET OPEN. RESET RESULTED IN CRACKLING NOISE AND SMOKE BY R-1 DOOR. FOUND R-1 SERVICE OUTLET BURNT. USED FOR VACUUM CLEANERS. REPLACED THE OUTLET. VISUALLY INSPECTED THE OTHER AIRCRAFT OUTLETS R5-1122, R5-1124 AND R5-1125, NO DEFECTS NOTED.