As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOUD NOISE AND TURBULENT SOUNDING AIR FLOW COMING FROM THE CEILING PANEL AND VIDEO MONITOR AT SEAT ROW 13. FIBERGLASS INSULATION DEBRIS NOTICED IN AREA. REMOVED CEILING PANELS AND FOUND OVERHEAD DUCT AT ROW 10 HAS ABOUT 6 INCH HOLE IN TOP SIDE OF DUCT. HOLE IS APPROX MID OF RIGHT SIDE TOP. REPAIRED DUCT LEAK AND ACCMP'D THE OVERHEAD DUCT COA. NO LEAKS NOTED.