# SDR DALA2026090304986

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2026
- Submitted: September 3, 2026
- Operation: Air carrier
- Aircraft: [N535DN](https://openairdocs.org/aircraft/N535DN), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11424
- Aircraft time: 13,564 hours, 3,320 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Condition: Faulted
- Location: Nr 1 Bscu
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026090304986

## Discrepancy

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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