# SDR CALA2021102501969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2021
- Submitted: October 25, 2021
- Operation: Air carrier
- Aircraft: [N451UA](https://openairdocs.org/aircraft/N451UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 865
- Aircraft time: 71,386 hours, 28,963 cycles
- System (JASC): [3244 · Tire](https://openairdocs.org/jasc/3244)
- Part: Autobrake Sys
- Part number: NA
- Condition: Inoperative
- Location: Na
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021102501969

## Discrepancy

AUTO BRAKE FUNCTION INOP - BRAKES ECAM BRAKES AUTO BRKFAULT SEE SIGNOFF OF LOGPAGE 7264180  FOR CORRECTIVE ACTION. PERFORMED BSCU 1 AND BSCU 2 GROUND SCAN WITH NO FAULTS PRESENT. PER LP 7264180  SYS 2 FAULT DISPLAYED ON UPPER ECAM SCREEN. - BRAKES CB RESET PER QRH DIDNTRESET.RESET NO HELP. NO TIME TO TROUBLE SHOOT. DDP REQUESTED.APPROVED FOR MEL 3272AY.COMPLIED WITH DDP, CB PULLED & COLLARD, PLACARDED PER MEL.LP 7290248 FOR FIRST OFFICER BRAKE PEDAL TRANSMITTER UNIT REPLACEMENT. PER LP 7290248,REPLACED TRANSMITTER 9GG REF AMM32-42-47-000-001-A AND 32-42-47-400-001-A. INSTALLATION COMPLETED UP TO STEP 4. D., TEST

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