# SDR AALA2020070769004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2020
- Submitted: July 7, 2020
- Operation: Air carrier
- Aircraft: [N721UW](https://openairdocs.org/aircraft/N721UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1095
- Aircraft time: 56,701 hours, 33,231 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Fmc
- Part number: C13043AA05
- Part serial: Q00194007146
- Condition: Defective
- Location: Nr 2
- Part time: 54,374 hours, 26,968 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2020070769004

## Discrepancy

AIRCRAFT GROUNDED - AUTOFLIGHT AUTOTHROTTLE OFF UNCOMMANDED AUTO THRUST DISCONNECT USING AP1 SYSTEM RECOVERED USING AP2.  ACCOMPLISHED TSM 22-31-00-810-802A, REMOVED AND REPLACED FMGC 2 (FLIGHT MANAGEMENT AND GUIDANCE COMPUTER) PER AMM 22-83-34, OPERATIONAL CHECK GOOD.

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