# SDR DALA2019120907164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2019
- Submitted: December 9, 2019
- Operation: Air carrier
- Aircraft: [N321NB](https://openairdocs.org/aircraft/N321NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1414
- Aircraft time: 51,490 hours, 26,711 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Unknown
- Condition: Unknown
- Location: Brakes
- 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/DALA2019120907164

## Discrepancy

DURING TAXI BRAKE CHECK 5.14.2 TRANSISTOR TO NORMAL / GREEN BRAKE TOOK APROX 6 SECONDS FOR BRAKE GAGE ON PANELNTO DROP TO ZERO. ALL OTHER BEHAVIOR NORMAL. PERFORMED BITE TEST OF BSCU ALL CKD GOOD NO DEFECT NOTED AT THIS TIME SYS OPS AS NORM NO 3 DAY REPETITIVE HISTORY OK FOR SVC PER A 319 AMM 32-46-00.

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