# SDR ASAA201904048880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2019
- Submitted: April 4, 2019
- Operation: Air carrier
- Aircraft: [N479AS](https://openairdocs.org/aircraft/N479AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 60576
- Aircraft time: 14,907 hours, 4,872 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: False Indication
- Stage of operation: CR
- 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/ASAA201904048880

## Discrepancy

WHILE IN CRUISE BOTH MCDU BLANKED W/ASSOCIATED VTK ON CA SIDE. SYSTEM REBOOTED BTW 30 SEC - 1 MIN AFTER EVENT WHILE RUNNING FMC FAIL QRH. GROUNDED - YES. VERIFIED . ACCOMPLISHED FMC BITE CHECK. BOTH L/H & R/H PASSED. NO FAULTS. OK FOR SERVICE. REF B737-900 FIM 36-61 TASK 801.

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