# SDR ASAA2019040858913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2019
- Submitted: April 8, 2019
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 20,085 hours, 6,535 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Failed
- Location: Captain'S
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019040858913

## Discrepancy

CAPTAINS FMC FAILED IN CRUISE FLIGHT WITH MAP AND VTK FLAGS. PERFORMED FMC FAIL CHECKLIST AND CONTINUED OPERATIONS WITH FMC SELECT IN "BOTH ON RIGHT." GROUNDED - YES. REBOOTED L/H FMC REF B737-900 FIM 34-61 TASK 836. OPS RESTORED. VERIFIED VTK & MAP FLAGS PULLED. FMC SWITCH RESELECTED TO NORMAL.

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