# SDR CALA2025073107176

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2025
- Submitted: August 1, 2025
- Operation: Air carrier
- Aircraft: [N69829](https://openairdocs.org/aircraft/N69829), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 44561
- Aircraft time: 33,118 hours, 12,253 cycles
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Tire
- Part number: 7377899ER
- Part serial: 4158
- Condition: Delaminated
- Location: Zone 700
- Stage of operation: CL
- 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/CALA2025073107176

## Discrepancy

NUMBER 2 TIRE TREAD DETACHED DURING TAKEOFF ROLL OUT OF ORD. ALL MISSING TREAD WAS FOUND ON ORD RUNWAY.

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