What was found
CREW REPORTED THE COCKPIT LIGHTING GOES FROM BRIGHT TO EITHER DIM OR OFF. AT OVERHEAD & FORWARD PANEL, THERE IS AN ODOR OF SOMETHING ELECTRICALLY HOT. HOT ODOR WAS ALSO REPORTED BY FLT ATTENDANT IN FIRST CLASS CABIN. MAINTENANCE CONFIRMED FAILURE FOR LIGHT ANOMALY & REPLACED DISCREPANT APU GENERATOR BREAKER C889 PER MM 24-21-41. AS FOR THE HOT ODOR, MAINTENANCE FOUND THE L1 AND R1 WINDOW CIRCUIT BREAKERS C228 AND C394 LOAD TERMINALS OVERHEATED. REPLACED C228 AND C394 IN ASSOCIATION WITH SWPM 20-30-00. REPLACED AFFECTED TERMINALS IN ASSOCIATION WITH 20-30-11. WINDOW HEAT SYSTEM CHECKS SATISFACTORY IAW 30-41-00. FLIGHT DECK LIGHTING CHECKS SATISFACTORY IAW 33-11-00.