# SDR ASAA2018090526008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2018
- Submitted: September 5, 2018
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 21,486 hours, 7,100 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018090526008

## Discrepancy

VTK MSG FOLLOWED BY MAP MSG DISPLAYED ON FO'S NAV DISPLAY. FMC SINGLE OPERATING MSG ON FMC SCRATCHPAD. RIGHT FMC FAILED. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 836. DUAL FMC OPERATION RESTORED. OPS CHECK NORMAL.

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