Service difficulty report · Tire · Boeing 777222

Difficulty date
June 17, 2024
Submitted
June 17, 2024
Operation
Air carrier
Aircraft
N775UA
Make and model
Boeing 777222
Aircraft serial
26947
Aircraft time
102,406 hours, 18,284 cycles
System (JASC)
3244 · Tire
Part
Tire
Part number
7772MLGHIGHGW
Part serial
2026
Condition
Worn
Location
Nr 7
Part time
6,756 hours, 1,231 cycles
Stage of operation
UK
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

07 MLG TIRE IS NEARING IT SERVICE LIFE LIMIT TECH MUST MEASURE T HE LOWEST TREAD UPON INITIALIZING PLA AND ENTER THAT MEASURMENT IN THIS LOG. TERMINATING ACTION REQUIRES TIRE REPLACEMENT. INSPECTED TIRE, TREAD WEAR IS AT 1/32 PER AMM, ANY PART OF ANY GROOVE IS BETWEEN 2/32 AND 1/32 INCH, THE TIRE MAY BE CARRIED VIA SVC 03220 FOR 20 CYCLES. REFERENCE THE APPLICABLE AMM FOR THE TIRE INSPECTION REQUIREMENTS. INSPECTED TIRE, WEAR STILL WITHIN LIMITS AT THIS TIME INSPECTED TIRE, WEAR STILL WITHIN LIMITS AT THIS TIME. ADD FAULT: 3245 MAJOR REPAIR ENTERED IN ERROR. REQUIRING SFR TO SIGN OFF PER TOMC #7 MLG TIRE REMOVED AND REPLACED PER MM 32-45-01-000-801 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1539982 SN OFF 2026 WHEEL, TIRE, AS OFF 25-3245-9-0002 2026 ON 25-3245-9-0002 0839 NOT AN RII ITEM.