# SDR DALA2026050402790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N122DN](https://openairdocs.org/aircraft/N122DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 10183
- Aircraft time: 16,914 hours, 7,193 cycles
- Engine: Cfmint CFM565B33
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Stalled
- Location: Rt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026050402790

## Discrepancy

FLT. 0431 ATB-DEN-ATL DECLARED AN EMERGENCY AND RETURNED TO DEN DUE TO RIGHT ENGINE COMPRESSOR STALL. MAINTENANCE PERFORMED A BORESCOPE INSPECTION WITH NO FINDINGS. IP CHECK VALVE REMOVED AND REPLACED, OPS CHECK NORMAL. (LP 8699470, 8699472 - AIRCRAFT WAS GROUNDED)

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