# SDR UIEA2021020400229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2021
- Submitted: February 5, 2021
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 95,675 hours, 22,586 cycles
- Engine: Ge CF680C2B6F
- System (JASC): [7731 · Engine Ignition Analyzer](https://openairdocs.org/jasc/7731)
- Part: Engine
- Condition: Vibration
- Location: Airframe
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021020400229

## Discrepancy

ABOVE FL 250 KIAS AIRFRAME VIBRATION WITH LOW TONE HUMMING, OCCURS CONTINUOUSLY THROUGHOUT THE FLIGHT DURING CLIMB.  N1 (R) AT 1.4 UNITS VIBRATION.(C/W AIRFRAME VIBRATION CONDITIONAL INSPECTION PART 2 77-31-02 FOR ENG 2.  LOCKS AND RING SECURE.  PERFORMED VISUAL INSPECTION 71-00-00-216, NO DEFECTS NOTED.

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