# SDR ASAA2019021728210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2019
- Submitted: February 20, 2019
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 24,861 hours, 8,162 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- 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/ASAA2019021728210

## Discrepancy

AT CRUISE CAPTAINS NAV DISPLAY HAD MAP AND VTK FLAG. LASTED FOR 30 SECONDS THEN WENT BACK TO NORMAL NAV INDICATIONS. GROUNDED - YES. OPENED 2EA CB'S AND CLOSED 2EA CB'S. ACCOMPLISHED FIM 34-61 TASK 836, OPS CK NORMAL. FMC COMPUTERS RESYNCHRONIZED.

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