# SDR 2024F00023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2024
- Submitted: February 2, 2024
- Operation: General aviation
- Aircraft: N390DP
- Make and model: Raythn 390
- Aircraft serial: RB34
- Aircraft time: 3,470 hours, 2,933 cycles
- System (JASC): [3246 · Wheel/Ski/Float](https://openairdocs.org/jasc/3246)
- Part: Shimmy Dampener
- Part number: UNKNOWN
- Condition: Failed
- Location: Nlg
- Stage of operation: TO
- How discovered: O
- Nature of condition: E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024F00023

## Discrepancy

ON TAKEOFF FROM LAS VEGAS, NV (KLAS) AT ABOUT 50 KNOTS, THE AIRCRAFT BEGAN TO VIBRATE. ACCOMPANIED BY A RATTLING NOISE. TAKEOFF WAS ABORTED AND TOWER WAS NOTIFIED. MAINTENANCE WAS CONTACTED CREW WAS DISPATCHED TO TROUBLESHOOT AND REPAIR. INITIALLY THE SHIMMY DAMPER WAS SUSPECTED AND REPLACED. A HIGH-SPEED TAXI WAS DONE, AND THE PROBLEM STILL EXISTED. THE NOSE TIRE WAS THEN CHANGED, AND RESULTS WERE SATISFACTORY. AIRCRAFT WAS THEN RETURNED TO SERVICE.

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