# SDR ASAA2023081144566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 36,171 hours, 11,426 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: TO
- 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/ASAA2023081144566

## Discrepancy

PRIOR TO TAKEOFF, FMC DISAGREE MSG ON BOTH FMCS + MAP DISPLAYS.  GROUNDED - YES. AS PER CHECKLIST, RESET FMCS CMPTR 1 AND FMCS CMPTR 2 CBS. MSG NO LONGER DISPLAYED.

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