PurposeUSED TO CHECK HINGE PIN FREE PLAY AND BEARING WEAR IN HORIZONTAL STABILIZER PIVOT HINGE. ALSO, TO SUPPORT THE HORIZONTAL STABILIZER DURING INSPECTION, REMOVAL, AND INSTALLATION OF HINGE PIN AND/OR BEARING. REMOVAL OF FAIRING PANELS IS REQUIRED PRIOR TO INSAirplane787-10, 787-9Usage CodeMAINTENANCE