# SDR USAA2012043000020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2012
- Submitted: April 30, 2012
- Operation: Air carrier
- Aircraft: [N193UW](https://openairdocs.org/aircraft/N193UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 3584
- Aircraft time: 12,871 hours, 4,642 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: O-Ring
- Part number: NAS16126
- Condition: Blown
- Location: Brake Mainfold
- Stage of operation: LD
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012043000020

## Discrepancy

HYDRAULIC FLUID FROM WHEEL WELL PRESSURE LEAK SPRAYED INTO THE NR 1 ENGINE WHICH THEN ENTERED THE VENTILATION SYSTEM CREATING A MIST THROUGHOUT THE CABIN.  MAINTENANCE FOUND LEAK AT ALTERNATE BRAKE MANIFOLD.  REPLACED O-RING ON PLUG AND REACTIVATED SYSTEM IAW AIRBUS MAINTENANCE MANUAL 32-43-32-401.

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