# SDR ASAA2022042038068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2022
- Submitted: April 21, 2022
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 51,844 hours, 15,456 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Warning Message
- Condition: False Activation
- Location: Fmc
- Stage of operation: TX
- 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/ASAA2022042038068

## Discrepancy

ON PREFIGHT, "SINGLE FMC OPERATION" MESSAGE DISPLAYED. GROUNDED - YES. PERFORMED CDS BITE PROCEDURE PER B737-800 FIM 31-62-00-810-801, OPS CHECK GOOD, NO FAULTS NOTED, :SINGLE FMC OPERATION" PROMPT EXTINGUISHED.

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