# SDR ANCF2016080901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2016
- Submitted: August 14, 2016
- Operation: Air carrier
- Aircraft: [N980AV](https://openairdocs.org/aircraft/N980AV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 3980
- Aircraft time: 17,975 hours, 17,213 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: Tachometer
- Condition: Failed
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ANCF2016080901

## Discrepancy

DURING TAKE OFF ROLL AT 50 KT, BRAKES RELEASE ILLUMINATED ON ECAM. REJECTED TAKE OFF.  IN THE STATUS PAGE AUTOBRAKE WAS INOPERATIVE. IN ACCORDANCE WITH TSM 32-42-00-810-815-A THE BSCU TEST SHOW  TACHOMETER 4 (22GG).  IN ACCORDANCE WITH AMM 32-42-57 PB 401 CONF 00 THE TACHOMETER 4 WAS REPLACED AND THE BSCU TEST WAS SATISFACTORY, THE FAULT NOT DUPLICATED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.