# SDR ASAA2017021119767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2017
- Submitted: February 17, 2017
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 15,128 hours, 4,969 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: CR
- 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/ASAA2017021119767

## Discrepancy

DUAL FMC FAILURE DURING CRUISE. AFTER A FEW MINUTES, BOTH FMCS BEGAN WORKING AGAIN FOR THE REMAINDER OF THE FLIGHT.  ACFT GROUNDED.   PERFORMED BITE PROCEDURES FOR FMC SYSTEM IAW FIM 34-61, TASK 801, NO FAULT NOTED, OK FOR SERVICE.

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