What was found
PRESSURE LEAK AT STA 1620 LT CROWN AREA. SKIN LAP, FWD AND 12" ABOVE RT AFT STATIC PORT FOUND TO BE LEAKING DURING PRESSURIZATION CK. SEALED SKIN LAP ON OV WU E 5819H. SKIN LAP AFT OF UPPER TCAS ANT FOUND TO BE LEAKING DURING PRESSURIZATION CHECK SEALED SKIN LAP ON OV WU E5816H. THE CAUSE OF THE MOISTURE IN CROWN AREA IS MOIST CABIN AIR MIGRATING THROUGH GAPS OF BLANKETS & CONTACTING COLD FUSELAGE SKIN. TO RESOLVE THE ISSUE, DRY EXCESS MOISTURE & REINSTALL BLANKETS. PAY ATTENTION TO SEALING GAPS WHERE BLANKETS OVERLAP. RESTORED AIRCRAFT TO NORMAL. WORK ACP ON DOCK WU E5813H . ALL CEILING INSULATION GAPS SEALED.