# SDR ASAA2022080939454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2022
- Submitted: August 11, 2022
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 57,087 hours, 16,826 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 014046
- Condition: Faulty
- Location: E/E, E5
- Part time: 12,653 hours, 3,550 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080939454

## Discrepancy

HAD LEFT FMC FAIL (VTK AND FLAG) WHICH LASTED ABOUT 15 SECONDS, THE PROBLEM RESOLVED ON ITS OWN, AND WORKED NORMALLY AFTERWARD FOR THREE HOURS. GROUNDED - YES. REMOVED & REPLACED LEFT FMCS B737-800 AMM 34-61-02/401.

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