# SDR AALA202603197470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2026
- Submitted: March 19, 2026
- Operation: Air carrier
- Aircraft: [N722US](https://openairdocs.org/aircraft/N722US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1097
- Aircraft time: 69,752 hours, 41,726 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Transducer
- Part number: CZ9DM6A
- Condition: Defective
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603197470

## Discrepancy

AIRCRAFT WAS GROUNDED: BRAKES ARE VERY GRABBY, EXHIBITING WARPED LIKE LURCHING WHEN COLD AT LOW SPEED. MAINTENANCE REPLACED THE YELLOW HYDRAULIC SYSTEM ALTERNATE BRAKING UPPER TRANSDUCER PER AMM 32-44-18. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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