What was found
MAINTENANCE CREW FIRST NOTICED TIRE SERVICE BECOMING MORE FREQUENT OVER THE PERIOD OF 2 OR 3 DAYS. TIRE PRESSURES WERE DROPPING APPROX 10 PERCENT TO 15 PERCENT OVERNIGHT. SUBSEQUENT INSPECTION OF THE TIRE AND WHEEL ASSY REVEALED AIR ESCAPING THROUGH THE CASTING ADJACENT THE RAISED VALVE CORE BOSS. LIQUID LEAK DETECTOR ALSO CONFIRMED THE LEAK AND LOCATION. NOTE: SECOND WHEEL TO DEVELOP A LEAK IN SAME AREA, WAS RETURNED FOR EVALUATION INSPECTION AND THE DISPOSITION OF THIS WHEEL IS NOT KNOWN AT THIS TIME. (K)