Service difficulty report · Heat Shield · Boeing 777224

Difficulty date
January 7, 2026
Submitted
January 9, 2026
Operation
Air carrier
Aircraft
N76021
Make and model
Boeing 777224
Aircraft serial
39776
Aircraft time
69,324 hours, 6,928 cycles
Part
Heat Shield
Condition
Cracked
Location
Nr 1 Mlg
Part time
9,904 hours, 1,535 cycles
Stage of operation
IN
How discovered
V
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

ONE MLG TIRE FOUND BEYOND AMM LIMITS. MLG NR 1 WHEEL, HEAT SHIELD CRACKED, NR 1 MLG WHEEL ASSY REPLACED IAW AMM 32-45-01/401.