Service difficulty report · Brake Sys · Airbus A321211

Difficulty date
September 24, 2025
Submitted
September 26, 2025
Operation
Air carrier
Aircraft
N176UW
Make and model
Airbus A321211
Aircraft serial
1499
Aircraft time
78,240 hours, 30,443 cycles
Part
Brake Sys
Condition
Contaminated
Location
Zone 700
Stage of operation
TX
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

AIRCRAFT WAS GROUNDED: BRAKES ON LEFT MAIN GEAR GRAB AGGRESSIVELY WHEN USED AND HEAT UPCONSIDERABLY MORE AFTER LANDING IN EXCESS OF 300 DEGREES FROM THE RIGHT SIDE. MAINTENANCE OPENED BRAKE BLEED VALVES FOR #3 AND #4 BRAKES. FOUND EXCESSIVE FOAMING. BLEED AIR OUT PER AMM 32-42-00. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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