As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3518, ENROUTE TIRE PRESS LO MESSAGE DISPLAYED. NOSE WHEEL TIRES INDICATED 123 R163. AFTER GEAR EXTENSION PRESSURE INCREASED TO L-128, R-171. AFTER STOPPING ON RUNWAY PRESSURE INDICATED L-143, R-188. CORRECTIVE ACTION: ON LANDING, GEAR INSPECTED AND TOWED TO THE GATE. FOUND LT SCHRAEDER VALVE LEAKING FROM THE SERVICE PORT. REPLACED NBR 1 AND 2 NOSE TIRE AND WHEEL ASSEMBLY. (5547782)