# SDR ASAA2018081655802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2018
- Submitted: August 16, 2018
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 38,748 hours, 11,905 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Condition: Malfunctioned
- Location: First Officer'S
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018081655802

## Discrepancy

DURING POWER TRANSFER FROM APU/GND WITH POWER SPIKE THE RIGHT SIDE MCDU WENT BLANK AND WILL NOT RESTORE. TRANSFERED POWER BACK TO APU. ACFT GROUNDED. PERFORMED FIM 34-61 TASK 804 & FIRST OFFICER`S FMC MCDU RESTORED.

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