Preliminary inspection revealed that the propeller shaft is not in line with the gearbox and main engine. Couplings of prop shaft – gearbox was uncoupled and aligned to the proper shaft line. The main engine was aligned to the gearbox later on. The abnormalities were faded. Our team performed the bearing renewal of the prop shaft at the recent dockage. The client expressed himself “I feel relieved, thank you, my friend”.