# SDR AALA202603242106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N730US](https://openairdocs.org/aircraft/N730US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1182
- Aircraft time: 68,101 hours, 40,432 cycles
- Engine: Cfmint CFM565B1
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603242106

## Discrepancy

AIRCRAFT WAS GROUNDED: AT CRUSE AT FL360 NR 1 ENGINE STARTED MAKING A THUDDING NOISE, AND THE N1 ROLLED BACK FALLOWED BY A ENG 1 STALL ECAM. N1 THEN RECOVERED, HOWEVER THERE WAS MORE THUDS THAT COULD BE FELT, AND N1 CONTINUED TO FLUCTUATE.  WE OPTED FOR A PRECAUTIONARY ENGINE ONE SHUTDOWN.  CVR CIRCUIT BREAKERS HAVE BEEN PULLED.  DECESION WAS MADE TO DFIVERT TO LIT AND EMERGENCY DECLARED. LANDING WAS UNEVENTFUL. ARFF DID RESPOND AND INSPECTING THE AIRCRAFT ON THE RUNWAY BEFORE TAXING TO GATE UNDER OWN POWER.   MAINTENANCE REMOVED DAMAGED ENGINE AND REPLACED WITH REPAIRED ENGINE IAW WORK CARD # 26L40071001.

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