# SDR ASAA2019110861269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2019
- Submitted: November 9, 2019
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 47,458 hours, 14,213 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: DE
- 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/ASAA2019110861269

## Discrepancy

ON DESCENT BRIEFLY GOT SINGLE FMC, SCRATCHPAD MESSAGE AND F/O'S MAP DISAPPEARED FOR DURATION OF FLIGHT. MAP DISPLAYED IN AMBER ON F/O'S MAP DISPLAY. GROUNDED - YES. ACCOMPLISHED BITE IAW B737-800 FIM 34-61 TASK 801. FOUND RESYNC MESSAGE IN RIGHT FMC. LEFT AND RIGHT FMC OPS CHECK GOOD IAW FIM 34-61 TASK 832.

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