# SDR AALA2019102879002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2019
- Submitted: October 29, 2019
- Operation: Air carrier
- Aircraft: [N578UW](https://openairdocs.org/aircraft/N578UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6035
- Aircraft time: 19,651 hours, 7,684 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: C13043BA05
- Part serial: C13043041983
- Condition: Faulty
- Location: Nr 2
- Part time: 19,651 hours, 7,684 cycles
- Stage of operation: CR
- 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/AALA2019102879002

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS SEVERAL TIMES IN CRUSE FLT AP2 ENGAGED- FMGC 2 DATA LOSS FMA REVERTS TO HDG MODE UNCOMMANDED, (AP1 OPERATES NORMAL WITH NO DEGRATION MODE.0) MAINTENANCE REPLACED FMGC 2 IAW AMM 22-83-34. NO FAULTS NOTED.

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