# SDR YENA2023040700329

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2023
- Submitted: April 7, 2023
- Operation: Air carrier
- Aircraft: [N2105J](https://openairdocs.org/aircraft/N2105J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 10101
- Aircraft time: 6,809 hours, 1,286 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Fmc
- Part number: C13207DA08
- Part serial: C13207013402
- Condition: Failed
- Location: 1ca2
- Part time: 6,809 hours, 1,286 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023040700329

## Discrepancy

FLT#8026, LGW-BOS. (ETOPS) 'CA+FO  MCDU LOST ALL DATA FOR "UTC"  "SPD/ALT" "DIST" AND "EFOB"  FIELDS. FO WAS FLYING PILOT W AUTOPILOT 2 ENGAGED  RESET PROCEDURE FMGC1 WAS RESTORED, RESET PROCEDURE FOR FGMC2 WAS ATTEMPTED 3 TIMES BUT NOT RESTORED  #2 DATA  RETURNED W NO FURTHER ATTEMPT ON ITS ONW; REMOVED AND REPLACED FMGC #2 AND VERIFIED S/W P/N'S. AFS TEST AND GROUND SCANNING OK REF AMM 22-83-34, AMM22-96-00, AMM22-91-00.'

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