# SDR ANCF20260426012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2026
- Submitted: April 28, 2026
- Operation: Air carrier
- Aircraft: [N961AV](https://openairdocs.org/aircraft/N961AV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 3961
- Aircraft time: 41,713 hours, 35,414 cycles
- Engine: Cfmint CFM565B4
- Engine time: 40,426 hours, 30,138 cycles
- System (JASC): [7732 · Engine Vibration Analyzer](https://openairdocs.org/jasc/7732)
- Part: Sensor
- Condition: Out Of Limits
- Location: Vibration
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ANCF20260426012

## Discrepancy

NR 1 ENGINE VIBRATION.  REJECTED TAKE OFF WAS PERFORMED DUE TO HIGH ENGINE VIBRATION INDICATION BETWEEN 71KTS AND 99KTS.   ENGINE 1 VIBRATION CHECK WAS PERFORMED SATISFACTORILY IAW AMM 71-00-00-710-009-B, REV 76. VIBRATION OF BEARING 1 IS MORE THAN 6 U,  IAWTSM 77-00-00-810-864-A REV 76 CHECK OF THE ENGINE N1 VIBRATION SENSOR (4002EV) IS OUT OF LIMITS, IT`S NECESSARY REPLACE, THIS REPLACE IS CONTROLLED UNDER WO 19854304 ON NEXT MAINTENANCE OPPORTUNITY.

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