# SDR AALA202301277677

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2023
- Submitted: January 27, 2023
- Operation: Air carrier
- Aircraft: [N198UW](https://openairdocs.org/aircraft/N198UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5444
- Aircraft time: 32,220 hours, 12,972 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Transducer
- Part number: CZ9284E
- Condition: Defective
- Location: Anti Skid Sys
- Stage of operation: LD
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202301277677

## Discrepancy

AIRCRAFT WAS GROUNDED: ON LANDING ROLL OUT LEFT BRAKE/ ANTISKID CONTINUED TO PULSATING BELOW 80 KNOTS AFTER BEING OFF BRAKING. MAINTENANCE REPLACED THE LEFT-HAND BRAKE FAN MANIFOLD PER AMM 32-42-16 (AALA202301279633) AND REPLACED BOTH TRANSDUCERS PER AMM 32-41-21. (AALA202301277677 AND (AALA202301271267). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.

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