Service difficulty report · Tire · Boeing 777323ER

Difficulty date
February 2, 2017
Submitted
February 4, 2017
Operation
Air carrier
Aircraft
N720AN
Make and model
Boeing 777323ER
Aircraft serial
33522
Aircraft time
16,802 hours, 1,940 cycles
System (JASC)
3244 · Tire
Part
Tire
Condition
Separated
Location
Mlg
Stage of operation
NR
How discovered
O
Nature of condition
S
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED. DURING POST FLIGHT WALK AROUND THE NR 9 MAIN TIRE WAS FOUND TO HAVE TREAD SEPARATION WHICH CAUSED DAMAGE TO THE LEFT WING FIXED TRAILING EDGE PANEL, NR 6 SPOILER PANEL, LEFT INBOARD MAIN FLAP AND LEFT INBOARD AFT FLAP. REMOVED AND REPLACED NR 9 MAIN WHEEL ASSEMBLY IAW AMM 32-45-01.