# SDR YENA2022092600958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2022
- Submitted: September 26, 2022
- Operation: Air carrier
- Aircraft: [N556JB](https://openairdocs.org/aircraft/N556JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 01904
- Aircraft time: 71,877 hours, 26,066 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: None
- Part number: 4077880982
- Part serial: 31354529
- Condition: Failed
- Location: 3ca2
- Part time: 65,936 hours, 23,516 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022092600958

## Discrepancy

FLT#373, BOS-AUA. '(AIRCRAFT PERFORMED AN AIR TURN BACK TO BOS) ' MCDU 1 BLANK ON CLIMBOUT AT FL 200. THE COMPUTER RESET PROCEDURE WOULD NOT FIX MCDU1; REMOVED AND REPLACED CAPT'S MCDU PER AMM 22-82-12. OPERATIONAL TEST  OF MCDU SATISFACTORY.'

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