What was found
INCORRECT PART NUMBER MAIN WHEEL FITTED TO LT MAIN LANDING GEAR NR 2 POSITION. WHEEL FITTED WAS PNO 277A6000-204 WHICH IS FOR FITMENT TO 737-800 SERIES AIRCRAFT. THE CORRECT P/N 277A6000-206 IS FITTED TO 737-700 SERIES. THE INCORRECT WHEEL IS A HIGH GROSS WEIGHT (HGW) MAIN WHEEL WITH A TIRE DIAMETER 25.4MM (1IN) GREATER THAN THE CORRECT LOW GROSS WEIGHT (LGW) MAINWHEEL. INCORRECT PART PERSONNEL/MAINTENANCE ERROR.