# SDR ASAA2018031223832

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2018
- Submitted: March 13, 2018
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 10,958 hours, 3,578 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: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018031223832

## Discrepancy

BOTH FMC'S BLANKED FOR APPROX 10-15 SECONDS APPROX 10 NW BKA VOR AT FL 350: MENU PAGE BLANK AT L1: VTK FLAG ON CAPT SIDE NAV DISPLAY. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 FOUND TO BE INTERMITTENT FAULT. NO DEFECTS NOTED.

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