# SDR 2025FA0000157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2025
- Submitted: March 7, 2025
- Operation: General aviation
- Make and model: Airbus A320*
- Engine: Cfmint LEAP1A23
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Bolt
- Part number: 6497783570
- Condition: Not Reported
- Location: Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000157

## Discrepancy

AND SAINT-QUENTIN EN YVELINES (FRANCE), INCORRECT BOLT CONFIGURATION HAS BEEN INSTALLED ON THE ENGINES SERIAL NUMBERS : 598448, 599671, 598485, 598486, 599610, 599647, 598446, 598812. BOLTS IN QUESTION ARE LOCATED INTO THE LOW PRESSURE TURBINE.  INVESTIGATION ARE IN PROGRESS TO IDENTIFY ROOT CAUSES AND CORRECTIVE ACTIONS.  UPDATE WILL BE PERFORMED ONCE THE FINAL AFFECTED POPULATION WILL BE CONFIRMED.  ROOT CAUSES AND CORRECTIVE ACTIONS WILL BE AS WELL REPORTED IN AN ANOTHER UPDATE.

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