# SDR ASAA2019100213875

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2019
- Submitted: October 2, 2019
- Operation: Air carrier
- Aircraft: [N247AK](https://openairdocs.org/aircraft/N247AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36364
- Aircraft time: 13,068 hours, 4,366 cycles
- System (JASC): [3245 · Tire Tube](https://openairdocs.org/jasc/3245)
- Part: Tire
- Part number: 26078252
- Part serial: B23021
- Condition: Failed
- Location: Nlg
- Part time: 11,763 hours, 4,467 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019100213875

## Discrepancy

DURING TAKEOFF ROLL ON RUNWAY 22R AT APPROX 100 KNOTS, WE COULD FEEL A VIBRATION FROM THE FRONT OF AIRCRAFT. AT APPROX 120 KNOTS WE HEARD A LOUD THUD FOLLOWED BY STRONGER VIBRATION. DURING THIS TIME THE AIRCRAFT PULLED LEFT. WE ABORTED THE TAKEOFF. TOWER ADVISED PIECES OF RUBBER WAS FOUND ON RUNWAY. GROUNDED - YES. REMOVED AND REPLACED BOTH NOSE WHEEL TIRES ASSYS REF B737-900 AMM 32-45-21 DUE TO ABORTED TAKEOFF (L) NOSE WHEEL TIRE SHREDDED.

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