# SDR ASAA2019031428644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2019
- Submitted: March 19, 2019
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 20,706 hours, 6,758 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- 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/ASAA2019031428644

## Discrepancy

CLIMBING OUT PHX, LEVEL OFF AT 320FL DISPLAY OF VTK FOLLOWED BY MAP FAILURE FLAG ON RT FMC F/O'S NAV DISPLAY. SINGLE FMC OPERATION ON SCRATCHPAD. PLACED FMC SOURCE SELECT BOTH ON LEFT. GROUNDED - YES. FMC LOGGED 1 FAIL - RESET - OPS OK.

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