# SDR USAA920081146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2008
- Submitted: May 30, 2008
- Operation: Air carrier
- Aircraft: [N173US](https://openairdocs.org/aircraft/N173US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1481
- Aircraft time: 25,865 hours, 9,407 cycles
- Engine: Cfmint CFM565B32P
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Stalled
- Location: Nr 1 Engine
- Part time: 23,709 hours, 8,602 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA920081146

## Discrepancy

FLT NR 732 SFO-CLT - EMERGENCY LANDING, LEAVING CRUISE, NR 1 ENGINE HAD POSSIBLE COMPRESSOR STALL OR OTHER VIBRATION.  COULD NOT MAINTAIN POWER.  OPERATED AT REDUCED THRUST WITH NO INDICATION OF VIBRATION.  MAINTENANCE FOUND THE NR 1 ENGINE BEYOND LIMITS DURING BOROSCOPE.  REMOVED AND REPLACED NR 1 ENGINE.

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