# SDR ASAA2017090521816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2017
- Submitted: September 6, 2017
- Operation: Air carrier
- Aircraft: [N562AS](https://openairdocs.org/aircraft/N562AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35091
- Aircraft time: 42,164 hours, 12,551 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 007762
- Condition: Failed
- Location: Left
- Part time: 11,363 hours, 3,370 cycles
- 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/ASAA2017090521816

## Discrepancy

LEFT FMC FAILED ENROUTE.  ACFT GROUNDED.   FMC LRU GREEN FMC VALID ANNUNCIATOR NOT ILLUMINATED. REMOVED & REPLACED THE LEFT FMC  IAW AMM 34-61-02. CROSS LOAD OF SOFTWARE AND FMC OPS CHECKED GOOD IAW AMM. GROUND VERIFICATION CHECKED GOOD.

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