What was found
CREW REPORT HIGH PITCH CONSTANT WHINE IN GENERAL AREA OF DOOR 3 L-R. THE NOISE WENT AWAY DURING DESCENT. DF794 SATCOM COOLING FAN DEFERRED AS POSSIBLE CAUSE BUT NOISE IS STILL PRESENT ON NEXT FLIGHT AFTER DEACTIVATION. SEE CH3599 OPBLM. PRESSURIZED CABIN PER MM AND FOUND SATCOM ANTENNA TO BE LEAKING AROUND PERIPHERY AND AROUND FASTENERS. ACCOMP CLOSE VISUAL INSPECTION SATCOM ANTENNA FOUND TO BE LEAKING PROFUSELY DURING PRESSURIZATION CK.