# SDR ASAA2018071625407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2018
- Submitted: July 17, 2018
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 43,353 hours, 13,274 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Part number: 1741010301
- Part serial: 005194
- Condition: Failed
- Location: Cockpit
- Part time: 43,348 hours, 13,273 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018071625407

## Discrepancy

F/O FMC / CDU FAILED ON GROUND DURING POWER SWITCHING (APU TO GND). GROUNDED - YES. CYCLING FMCS 2 & FMC CDU C/B'S NO HELP. REPLACED F/O FMCS CDU REF AMM 34-61-00-000-802. OPS CK NORMAL.

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