# SDR USAA2011020990636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2011
- Submitted: February 9, 2011
- Operation: Air carrier
- Aircraft: [N510UW](https://openairdocs.org/aircraft/N510UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3858
- Aircraft time: 7,671 hours, 2,267 cycles
- Engine: Iae V2533A5
- Engine time: 7,671 hours, 2,267 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Bearing
- Condition: Failed
- Location: Nr 3
- Part time: 7,671 hours, 2,267 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: R, J, Y
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011020990636

## Discrepancy

FLT 434 - ENGINE NR 1 COMPRESSOR STALL ACCOMPANIED WITH ENGINE 1 OIL FILTER CLOG FOLLOWED BY ENGINE 1 FAIL.  REMOVED AND REPLACED NR 1 ENGINE ASSEMBLY PER JPC 26L40071004.  ROOT CAUSE WAS IDENTIFIED AS FAILURE OF THE NR 3 BEARING.

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