# SDR ASAA2018123127637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2018
- Submitted: January 3, 2019
- Operation: Air carrier
- Aircraft: [N493AS](https://openairdocs.org/aircraft/N493AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41727
- Aircraft time: 10,756 hours, 3,602 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA2018123127637

## Discrepancy

VTK FLAG ON CAPT MAP WENT AWAY AFTER APPROX 1 MINUTE. VTK FLAG ON CAPT SIDE RETURNED AND MAP REMOVED. FOLLOWED QRH AND WENT FMC BOTH ON R AFTER ONE MINUTE FMC INFO ON POS PAGE DISPLAYED NORMAL. PUT FMC SWITCH BACK TO NORMAL. GROUNDED - YES. PERFORMED FIM 34-61 TASK 836. FOUND NO DISCREPANCIES, OPS CHECK NORMAL.

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