# SDR AALA202505053120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N800NN](https://openairdocs.org/aircraft/N800NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29564
- Aircraft time: 47,109 hours, 19,880 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake Assy
- Condition: Vibration
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202505053120

## Discrepancy

AIRCRAFT WAS GROUNDED: EXCESSIVE BRAKE CHATTERING AFTER LANDING DURING TAXI CAUSED NOTICABLE VIBRATIONS THROUGHOUT COCKPIT AND CABIN. PERFORMED BLEEDING OF ALL BRAKES WITH A AND B SYSTEM. PER AMM 32-41-00 UNTIL FLUID FLOWED CLEAR AND PUCK MOVEMENTS VERIFIED.

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