As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESSURE LEAK WHINE AT SEAT 20A WINDOW. ACCOMPLISHED INSPECTION OF OVERWING EMERGENCY EXIT HATCH. FOUND NO NOTABLE PROBLEMS CLEANED AREA AND SPRAYED ICE RELEASE ON SEAL AND FRAME PER MM. REINSTALL EXIT ESCAPE HATCH AND RE-ARMED DOOR SLIDE.