What was found
DURING FLIGHT, NOTICED ELECTRICAL BURN ODOR IN THE COCKPIT, FOLLOWED BY DISCOVERY OF WATER SEEPING OUT FROM BEHIND RT CIRCUIT BREAKER PANEL, BELOW THE 3 APU CIRCUIT BREAKERS. REMOVED AND INSPECTED CO-PILOT CIRCUIT BREAKER PANEL, CLEANED WITH CONTACT CLEANER, NO WATER NOTED BEHIND OR ON PANEL. INSTALLED CO-PILOT C/B PANEL, PERFORMED APU START. START WAS NORMAL. RAN BOTH ENGINES AND FOUND NO SMELL IN C/B PANEL AREA, RAN ENGINES FOR 5 MINUTES, NO FURTHER ACTION REQUIRED PER 750MM CHAPTER 24.