# SDR AALA20161031012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2016
- Submitted: October 31, 2016
- Operation: Air carrier
- Aircraft: [N144AN](https://openairdocs.org/aircraft/N144AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6723
- Aircraft time: 4,214 hours, 1,582 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Tach Generator
- Part serial: 70704
- Condition: Faulty
- Location: Mlg Wheel
- Stage of operation: LD
- 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/AALA20161031012

## Discrepancy

AIRCRAFT WAS GROUNDED. DURING LANDING THE ECAM WHEEL PAGE SHOWED NO TEMPERATURE RISE ON #1 BRAKE INDICATING IT WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACE THE NR 1 WHEEL TACHOMETER GENERATOR IAW AMM 32-42-57. SYSTEM CHECKS NORMAL.

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