# SDR 99UAL900539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N398UA](https://openairdocs.org/aircraft/N398UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 24673
- Engine: Ge CFM56*
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Condition: Failed
- Location: Nlg
- Stage of operation: TO
- Nature of condition: C
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900539

## Discrepancy

FLIGHT CREW REPORTED THAT THE AIRCRAFT STRUCK A LARGE PIECE OF CONCRETE ON THE RUNWAY.  FLIGHT CREW SUSPECTED THAT THE NOSE TIRES WERE BLOWN.

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