As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O SIDE WINDOW DOES NOT OPEN FULLY AND IS BINDING. REMOVED TRIM PANELS ADJACENT TO F/O'S WINDOW OPERATING CRANK AND DRIVE SHAFT ASSY. FOUND TRIM PANEL INTERFERENCE AT FWD END OF DRIVE SHAFT ASSY AND INSULATION BLANKET OBSTRUCTION AT GEARBOX CRANK. RESECURED BLANKETS/REPOSITIONED TRIM PANELS, WINDOW OPERATION WITHIN PARAMETERS OF 56-11-02, ADJUST TEST.