# SDR ASAA2016101718381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2016
- Submitted: October 19, 2016
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 2,740 hours, 874 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Display
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016101718381

## Discrepancy

DURING CRUISE, VTK ON CAPTAIN'S NAV DISPLAY MAP WENT AWAY. FMC PROMPT MISSING FROM BOTH CDU'S. QRH FOLLOWED AND PUT BOTH FMC BOTH ON RIGHT. DUAL FMC RESTORED. ACFT GROUNDED. PERFORMED BITE OF NR 1 FMC, NO FAULTS NOTED IAW FIM 34-60-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.