SYSTEM AND METHOD FOR REDUCING WEAR IN AN ACCESSORY GEARBOX DURING A WASH EVENT OF A GAS TURBINE ENGINE

A system (200) for reducing wear during a wash of a gas turbine engine (10), the system comprising:an accessory gearbox (45);a transfer gearbox (46) drivingly and fluidly coupled to the accessory gearbox (45); anda lubrication system (100) fluidly coupled to the accessory gearbox (45) and the transfer gearbox (46), the lubrication system (100) comprising:a lubricant reservoir (102);a supply circuit (106) to supply lubricant (104) from the lubricant reservoir (102) to the accessory gearbox (45) and the transfer gearbox (46);a return circuit (108) to return lubricant (104) from the accessory gearbox (45) and the transfer gearbox (46) to the lubricant reservoir (102); anda wash system connector (101) coupled to a wash system (80) and fluidly coupled to the supply circuit (106) upstream of the accessory gearbox (45) and the transfer gearbox (46), the wash system connector (101) configured to supply a mixture of air and lubricant from the wash system (80) to the accessory gearbox (45) and the transfer gearbox (46).