What was found
(CAN) RGB SENT FOR INVEST. AFTER A SPALLED INPUT PINION WAS FOUND DURING A BORESCOPE INSP FOLLOWING AN OVERTORQUE OF 170 PCT.DAMAGE CONFIRMED TO- INPUT PINION TEETH,THIS WAS ACCOMPANIED B Y FROSTING A SPALLING OF- TEETH OF BOTH 1ST STAGE HELICAL GEARS.3 NUTS FOUND LOOSE.2 KEYWASHERS FOUND CRACKED & BOTH LAYSHAFT NUTS WERE FINGER TIGHT.HEAVY IMPACT DAMAGE ALSO DISCOVERED ON #15 BEARING & S PALLING ON 1ST STAGE GEARS IS FAIRLY TYPICAL OF 1ST STAGE GEAR TOOTH DAMAGE EVEN IN RGB'S NOT EXPOSED TO HIGH TORQUENO IND. THAT DAMAGE WAS RELATED TO OVERTORQUELOOSE NUTS & CRACKED WASHERS ARE INDICATIVE OF LONG TERM VIBRATION PROBLEMS CAUSED BY LOOSE GEARS.P&W HAVE RELEASED A MOD TO-IR COMPONENTS WHICH INCORPORATE STIFFER G