What was found
ON FINAL APPROACH, FLAPS WERE SELECTED TO 2 DEGREES. ALL POWER TO AIRCRAFT WAS LOST EXCEPT CAPTAIN'S INSTRUMENTS. ALL LIGHTS DIMMED AND NO INDICATION ON ENGINEER'S PANEL (PANEL WAS DARK) AFTER A PACK WAS DOWNLOADED. POWER CAME BACK ON. NR 1 AND NR 2 BUS. FOUND WATER INTRUSION IN FWD PORTION OF E/E. REMOVED WATER AND CLEANED ALL UNITS ON E1 RACK. PERFORMED ENG RUN ON ALL 3 ENGS. W/LOAD. NO DEFECTS NOTED. OPS CHK OK.