As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT CENTER CABIN WINDOW WITH ELECTRONIC SHADING STUCK IN PRIVACY MODE. MAKING APPEAR AS IF YOU ARE LOOKING OUT THE WINDOW INTO SOLID CLOUDS. NO PASSENGER COMMANDS WORK TO CLEAR IT ARE CONTROL THE DARKENING. TESTED WINDOW IN A KNOWN GOOD POSITION, NO CHANGE TO ITS APPEARANCE OR OPERATION.