# SDR CALA2025072106767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2025
- Submitted: July 21, 2025
- Operation: Air carrier
- Aircraft: [N76529](https://openairdocs.org/aircraft/N76529), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31652
- Aircraft time: 46,221 hours, 16,510 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Part number: C20633000
- Part serial: 12920C20633
- Condition: Faulted
- Location: Zone 700
- Part time: 13,139 hours, 5,720 cycles
- Stage of operation: TX
- 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/CALA2025072106767

## Discrepancy

NUMBER 1 BRAKE REQUIRES REPLACEMENT DUE TO POSSIBLE LOCKING UP ON LANDING REMOVED AND REPLACED #1 MLG BRAKE PER  AMM 32-41-41-000/400-801. OPS AND LEAK CHK GOOD.

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