# SDR ASAA2016040316227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2016
- Submitted: April 5, 2016
- Operation: Air carrier
- Aircraft: [N493AS](https://openairdocs.org/aircraft/N493AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41727
- Aircraft time: 692 hours, 225 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: CL
- 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/ASAA2016040316227

## Discrepancy

DURING CLIMBOUT FOLLOWING MESSAGE ON F/O MAP DISPLAY "VTK" AND ON F/O PFD "LDG ALT", BOTH ON FOR 30 SECONDS THEN EXTINGUISHED.  ACFT GROUNDED.  ACCOMPLISHED FIM TASK 34-61  NR 836 AND FMC OPS CHECK IAW AMM 34-61-00, SYS OPS CHECKS NORMAL, GROUND VERIFICATION SUCCESSFUL.

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