# SDR AALA202002249029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2020
- Submitted: February 24, 2020
- Operation: Air carrier
- Aircraft: [N123NN](https://openairdocs.org/aircraft/N123NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6256
- Aircraft time: 19,499 hours, 5,404 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202002249029

## Discrepancy

AIRCRAFT NOT GROUNDED: DURING APPROACH AUTOPILOT/AUTOTHROTTLE WENT FULL THRUST TWICE FOR UNKNOWN REASON. COCKPIT WAS  CONFIGURED CORRECTLY. ENG AUTO THRUST OPERATIONAL TEST ACCOM. I.A.W. AMM 22-30-00 ALSO ACCOMP AFS LAND TEST I.A.W. AMM 22-97-00 ALL TESTS PASSED WITH NO FINDINGS.

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