# SDR ASAA2019011227761

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2019
- Submitted: January 15, 2019
- Operation: Air carrier
- Aircraft: [N433AS](https://openairdocs.org/aircraft/N433AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41704
- Aircraft time: 20,747 hours, 6,797 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Condition: Malfunctioned
- Location: Fmc
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019011227761

## Discrepancy

VTK DISPLAYED ON CAPTAINS ND FOLLOWED BY MAP FAILURE FLAGS. NO FMC DATA ON BOTH CDU'S. QRH CHECKLIST COMPLETED. FMC BOTH ON RIGHT FOR REMAINDER OF FLIGHT. GROUNDED - YES. LEFT FMC OPS CHECK GOOD. NO HISTORY 30 DAYS. REF AMM 34-61 TASK 801.

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