# SDR ASAA2023013041743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2023
- Submitted: February 1, 2023
- Operation: Air carrier
- Aircraft: [N979AK](https://openairdocs.org/aircraft/N979AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43393
- Aircraft time: 1,928 hours, 603 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- 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/ASAA2023013041743

## Discrepancy

CA SIDE MCDU LOCKED UP DURING FLIGHT. GROUNDED - YES. PERFORMED POWER DOWN / POWER UP RESET CAPTAIN'S MCDU OPS NORMAL AS PER B737-9 AMM 34-61-00.

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