# SDR ASAA2016061817062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2016
- Submitted: June 20, 2016
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 36,949 hours, 11,144 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA2016061817062

## Discrepancy

LOST BOTH FMC, VTK FLAG BOTH SIDES, FOLLOWED BY A/T LIMIT.  AFTER 30 SECONDS, LT AND RT FMC CAME BACK.  ACFT GROUNDED.  VERIFIED NR 1 AND NR 2 FMC RESET ON FLT LEG 1 DURING NR 1 AND NR 2 FMC BITE, REF FIM 34-61,TASK 801.  NO CURRENT FAULTS ON NR 1 OR NR 2 FMC.  PERFORMED NR 1 AND NR 2 FMC SYS AND OPS TEST, REF AMM 34-61-00.  NO FAULTS FOUND, ALL SOFTWARE EFFECTIVE FOR ACFT NR 1 AND NR 2 FMC.

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