Service difficulty report · Control Unit · Airbus A321271NX

Difficulty date
September 2, 2026
Submitted
September 3, 2026
Operation
Air carrier
Aircraft
N535DN
Make and model
Airbus A321271NX
Aircraft serial
11424
Aircraft time
13,564 hours, 3,320 cycles
Part
Control Unit
Condition
Faulted
Location
Nr 1 Bscu
Stage of operation
NR
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

BRAKE SYS 1 FAULT ECAM RECIEVED ON INITIAL CLIMBOUT W/ RUBBER ODOR, WHICH DISSIPATED. NO INFLIGHT CHECKLIST PROCEDURES, LANDED WITH MANUAL BRAKING. BRAKES WERE NOT HOT - 80-100'. BSCU 1 CTL C/B (1GG) TRIPPED AND WILL NOT RESET, BSCU SMELLS LIKE BURNED RUBBER. REPLACED BSCU 1 IAW AMM 32-42. (LP 9141612 - AIRCRAFT WAS GROUNDED)

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