# SDR AALA202506098697

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2025
- Submitted: June 9, 2025
- Operation: Air carrier
- Aircraft: [N933AN](https://openairdocs.org/aircraft/N933AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30080
- Aircraft time: 63,105 hours, 26,423 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Brake
- Condition: Locked
- Location: Zone 700
- Stage of operation: TX
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202506098697

## Discrepancy

AIRCRAFT WAS GROUNDED: UPON CLEARING RUNWAY, BRAKES WOULD NOT RELEASE EVEN WITH AUTO BRAKES DISARMED.  TOOK AN ABNORMALLY LARGE AMOUNT OF POWER TO KEEP MOVING AND WHEN ENGINES SPOOLED TO OVER 60% N1 FELT BRAKES SUDDENLY RELEASE WITH A JOLT. TOWER REPORTED MOMENTARILY SEEING SMOKE. UPON POST FLIGHT INSPECTION FOUND NUMBER 1 TIRE COMPLETELY FLAT SPOTTED. BELIEVE BRAKE LOCKED UP AND WOULD NOT RELEASE. REMOVE AND REPLACED NUMBER 1 MLG TIRE ASSEMBLY (AALA202506098697), PER AMM 32-45-11. REMOVE AND REPLACED NUMBER 1 MLG BRAKE ASSEMBLY (AALA202506098774), PER AMM 32-41-41. OPERTIONAL CHECK GOOD.

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