# SDR BAGA2026022300005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2026
- Submitted: February 23, 2026
- Operation: Air carrier
- Aircraft: [N261BZ](https://openairdocs.org/aircraft/N261BZ), registered now
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- Aircraft serial: 55395
- Aircraft time: 382 hours, 222 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: 900071914
- Part serial: APR256389
- Condition: Failed
- Location: Zone 700
- Part time: 382 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BAGA2026022300005

## Discrepancy

ENROUTE KHVN, RECEIVED A "BRAKE ON" CAUTION. PERFORMED ASSOCIATED CHECKLIST; CAUT REMAINED. CYCLED PARKING BRAKE TO SEE IF ISSUE WOULD CLEAR WITHOUT SUCCESS. AFTER CYCLING PARKING BRAK, "PARKING BRAKE FAIL" ANNUNCIATED. COMPLETED ASSOCIATED CHECKLIST. BOTH CAUTIONS REMINAED ON. REMOVED AND REPLACED #4 ELECTROMECHANICAL CONTROLLER UNIT. OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.