What was found
AFTER GEAR RETRACTION DURING CLIMB OUT OF NRT, GOT LVL 1 TIRE PRESS LO ALERT AND OBSERVED NR 1 MAIN LANDING GEAR LOOSING PRESSURE UNTILL TIRE FAIL ALERT ILLUMINATED. DIVERED TO TPE AND LANDING UNEVENTFULY WITY O PSI IN NR 1 MAIN LANDING GEAR. REMOVED AND REPLACED NR 1 AND NR 2 MAIN TIRE ASSY IAW MM 32-41-01-4. TIRE PRESSURE SERVICED AND LEAK CHECK PASSED. INSP GEAR STRUT, BRAKE ASSY, AND OTHER TIRE ASSY, ALL CONDITIONS NORMAL. OK FOR CONTINUE SERVICE.