# SDR UIEA2021122802490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2021
- Submitted: December 31, 2021
- Operation: Air carrier
- Aircraft: [N418MC](https://openairdocs.org/aircraft/N418MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32840
- Aircraft time: 77,278 hours, 12,527 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: None
- Part number: 314792
- Part serial: A8368PA96689P
- Condition: None
- Stage of operation: TO
- How discovered: V
- Nature of condition: E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021122802490

## Discrepancy

CAPTAIN REPORTED SEVERE SHIMMY IN AFT OF AIRCRAFT DURING TAKEOFF ROLL BEGINNING AT 50 KTS TO 80 KTS RESULTING IN REJECTED TAKE OFF(<P>REMOVED AND REPLACED WHEEL ASSEMBLY IAW AMM 32-45-02.</P>)

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