# SDR ASAA1057226

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2010
- Submitted: January 14, 2010
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 10,945 hours, 3,214 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1057226

## Discrepancy

F/O'S COURSE LINE AND WAYPOINT INFO ON MFD WENT BLANK WHEN EXITING LNAV TO HEADING SELECT.  UNABLE TO DUPLICATE FAILURE.  NO FAULTS RECORDED FOR LAST FLIGHT LEG DFCS OR FMCS.  HAS NO RECORDED HISTORY.

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