What was found
PDIS 997 32-41 8143 01SEP20 MEM OPEN U. DURING TAXI IN OBSERVED ABNORMAL SOUND AND VIBRATION FROM LANDING GEAR/TIRES/WHEELS. SET BRAKE, SHUTDOWN, COORDINATED TOW IN TO GATE. SHGN 01SEP20 08:55 MEM U. THE LEFT NOSE TIRE, WHEEL HUB/WHEEL ASSY HALVES ARE BROKEN. REMOVED AND REPLACED LT NOSE TIRE/WHEEL ASSY IAW B757 AMM 32-45-02-04. SHGN 01SEP20 11:48 MEM ENT BY: 204006. REMOVED NLG SHOCK STRUT INNER CYLINER REF AMM 32-21-24-4. SHGN 02SEP20 00:32 MEM ENT BY: 457959. INSTALLED NEW NLG SHOCK STRUT INNER CYLINDER REFERENCE BOEING 757 AMM 32-21-24-4. FACT 02SEP20 09:02 MEM RII: 5502 ENT BY:5036148.