# SDR USAA2010042390817

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2010
- Submitted: April 23, 2010
- Operation: Air carrier
- Aircraft: [N189UW](https://openairdocs.org/aircraft/N189UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1425
- Aircraft time: 32,557 hours, 11,610 cycles
- Engine: Cfmint CFM565B3P
- Engine time: 32,195 hours, 13,962 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blades
- Part number: 3381084030
- Condition: Broken
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2010042390817

## Discrepancy

FLT 1511, AIRCRAFT EXPERIENCED NR 1 ENGINE ROLLBACK WITH 9.9 N1 VIBRATION WHILE EN ROUTE.  CREW DECLARED AN EMERGENCY AND THE FLIGHT WAS DIVERTED TO BNA.  MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE.  VENDOR REPORT IDENTIFIED 3RD STAGE LPT BLADE SET WITH SEVERAL BROKEN BLADES.

---
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.