What was found
TIRE PRESS EICAS TIRE 7 PRESSURE SLOWLY D EFLATED TO 0 PSI PER AHM SNAPSHOT, #7 TIRE WAS AT 23 PSI APPROX 10 MINS AFTER TOFF AND 1 PSI AT APPROX 25 MINS. NO TREAD SEPARATION ON LANDING ROLLOUT. REMOVED AND REPLACED #7 MAIN TIRE ASSY IAW MAIN LANDING GEAR WHEEL AND TIRE ASSEMBLY INSTALLATION REFERENCE: DMC-B787-A-32-45-01-00A-720A-A, PARTS USED: 1583256,QTY :1 ADD EMP:U179997 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1583256 SN OFF 0450 IPC REFERENCE # 32-45-03-010-941A-D