# SDR SIMA20141222009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2014
- Submitted: December 23, 2014
- Operation: Air carrier
- Aircraft: [N684JW](https://openairdocs.org/aircraft/N684JW), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500835
- Aircraft time: 27,391 hours, 23,057 cycles
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Condition: Worn
- Location: Nlg
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20141222009

## Discrepancy

ON SHORT FINAL, NOSE GEAR WAS MAKING A THUMPING SOUND.  EXECUTED GO AROUND, CYCLED LG, & HEARD SAME THUMPING SOUND.  APPROX 15 - 20 THUMPS IN 15 MINUTES.  BOTH NOSE TIRES WORN TO LIMITS, DECLARED EMER.  R & R LT NLG WHEEL ASSEMBLY & RT NLG WHEEL ASSEMBLY IAW WC 32-700-17.

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