Service difficulty report · Bearing · Boeing 777224

Difficulty date
May 8, 2024
Submitted
May 20, 2024
Operation
Air carrier
Aircraft
N78005
Make and model
Boeing 777224
Aircraft serial
27581
Aircraft time
116,318 hours, 11,931 cycles
Part
Bearing
Part number
76747772MLG
Part serial
3059
Condition
Out Of Limits
Location
Mlg Wheel
Part time
5,191 hours, 859 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

07 MLG TIRE FOUND BEYOND AMM LIMITS. MUST BE REPLACED PRIOR TO T HE NEXT FLIGHT. #7 TIRE IS CUT IN GROOVE CORD SHOWING. UPDATE PICTURE OF TIRE CUT. S/N OFF IS 3059 ROTABLE PARTS UPDATE INFORMATION ONLY. ROTABLE PARTS ENTRY ONLY. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1581994 SN OFF 3059 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1581969 SN OFF 5441 WHEEL, TIRE, AS OFF 25-3245-9-0002 3059 ON 25-3245-9-0002 5441 WHEEL, TIRE, AS OFF 25-3245-9-0002 5441 ON 25-3245-9-0002 6109 REMOVED AND REPLACED #7 MLG TIRE ASSY. REF 32-45-01 PARTS USED: 1581969,QTY :1 ADD EMP:U228484,U104792,U223197, ROTABLE PARTS CHANGE WAS INDICATED - TT # 1581969 SN OFF 5441 IPC REFERENCE # 32-45-01-05A