# SDR ANCF2015043001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2015
- Submitted: May 31, 2015
- Operation: Air carrier
- Aircraft: [N416AV](https://openairdocs.org/aircraft/N416AV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 4167
- Aircraft time: 1,393,265 hours, 13,212 cycles
- Engine: Cfmint CFM565B4
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibrates
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ANCF2015043001

## Discrepancy

ENG 1 VIBRATION N1 EXCEED 10.5 AFTER TAKEOFF FOR 6 MINUTES, THRUST WAS REDUCED TO 55%, TO REDUCE ENG 1 VIBRATION BELOW 6.0.  BORESCOPE INSPECTIONS WERE PERFORMED AT LPT 4TH STRINGER , BOOSTER 5TH STRINGER, HPC STAGES 1, 3, & 8, COMBUSTION CHAMBER DONE AREAS NO DAMAGES WAS FOUND THE BIRD DOES NOT INGEST TO GASPATH.  EIGHT  BLADES WERE REPLACED, RUN UP TEST SATISFACTORY.

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