# SDR AALA201802129042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2018
- Submitted: February 13, 2018
- Operation: Air carrier
- Aircraft: [N509AY](https://openairdocs.org/aircraft/N509AY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3796
- Aircraft time: 32,826 hours, 11,593 cycles
- Engine: Iae V2533A5
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Fuel Control
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201802129042

## Discrepancy

DURING CRUISE, FL 330, AUTO THRUST NR 1 FAILED, THRUST LOCKED.   ACOMPLISHED AN ELECTRONIC CENTRALIZED AIRCRAFT MONITOR PROCEEDURE, SWITCHED TO AUTO PILOT NR 2 FOR THE REMAINDER OF THE FLIGHT. RESET THE NR 1 & 2 FUEL CONTROL UNITS, FLIGHT MANAGEMENT, AND GUIDANCE COMPUTERS NR 1 AND 2 IAW TSM 24-00-00. OPS CHECKED GOOD, ACFT OK FOR SERVICE.

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