What was found
LOUD WHISTLING NOISE COMING FROM FLT DECK AT CRUISE AT 20,000 FT, REDUCED TO A HISS WHEN DECENDING BELOW 10,000 FT. UPON INSPECTING THE SEALS FOUND 2 SPOTS PEELED OFF SEALS ON BOTH THE WINDOW SIDE AND AIRFRAME SIDE. SEALED THE SEALS. LEAK CHECK OF PILOTS DV WINDOW SAT. NO DEFECTS NOTED AT THIS TIME.