# SDR ASAA2018012223250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2018
- Submitted: January 23, 2018
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 38,332 hours, 11,675 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: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018012223250

## Discrepancy

DUAL FMC FAILURE JUST AFTER STARTING DESCENT. BOTH FMC'S RECOVERED WITHIN APPROX 30 SECONDS. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 & 836. DUAL FMC IS RESTORED & GROUND VERIFICATION CK GOOD. NO HISTORY OF FAULT LAST 30 DAYS.

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