# SDR AALA201810309017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2018
- Submitted: November 1, 2018
- Operation: Air carrier
- Aircraft: [N187US](https://openairdocs.org/aircraft/N187US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1704
- Aircraft time: 56,382 hours, 21,126 cycles
- Engine: Cfmint CFM565B3P
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: DE
- How discovered: O
- Nature of condition: E
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201810309017

## Discrepancy

DECLARED EMERGENCY INBOUND DUE TO AN ENGINE VIBRATION.  VIBRATION FELT LEFT ENGINE MOMENTARY LOSS OF N1 WITH QUICK RECOVERY. THE NR 1 ENGINE COMPRESSOR STALLED WITH VIBRATION AT 7000 MSL,  THE ENGINE WAS BROUGHT TO IDLE POWER FOR REMAINDER OF FLIGHT.  THE AIRCRAFT WAS GROUNDED.   REPLACED THE NR 1 ENGINE IAW JC 26L40071001.

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