As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE CLEANING OF THE AIRCRAFT WINDOWS, DELAMINATION BUBBLES WERE NOTED NEAR THE BOTTOM EDGE AREA OF THE NR 5 PASSENGER WINDOW. BUBBLES WERE ABOUT THE SIZE OF A PENCIL ERASER OR SMALLER. TOTAL AREA WAS APPROXIMATELY 8 INCHES BY .50 INCH. WINDOW WAS REPLACED WITH NEW.