Service difficulty report · Brake · Boeing 777FHT

Difficulty date
July 3, 2020
Submitted
July 7, 2020
Operation
Air carrier
Aircraft
N842FD
Make and model
Boeing 777FHT
Aircraft serial
38969
Aircraft time
35,526 hours, 5,362 cycles
System (JASC)
3242 · Brake
Part
Brake
Part number
C20558000
Part serial
11467
Condition
Overheated
Location
Nr 2
Part time
15,385 hours, 2,400 cycles
Stage of operation
TX
How discovered
O
Nature of condition
A
Precautionary procedure
K

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

What was found

NR 2 BRAKE CAUSED OVERHEAT AND THERMAL OF NR 2 MAIN WHEEL ASSY. MPN: C20558000 POS: 2 SRL: 11467, REMOVED AND REPLACED NR 2 BRAKE PER 32-45-07-4 MAIN LANDING GEAR BRAKE REMOVAL/INSTALLATION. REMOVED AND REPLACED NR 2 BRAKE ASSY ON BLOCK IN THE BRAKE WAS ON FIRE. WHICH CAUSED NR 2 TIRE TO THERMAL. INSPECTED TRUCK AND AXLE ASSEMBLY WHEN BRAKE WAS REMOVED. NO DAMAGE OR SIGNS OF BURNING/SCORCHING FOUND.

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