# SDR ASAA2013081395787

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2013
- Submitted: August 15, 2013
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 1,549 hours, 475 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 007702
- Condition: Failed
- Location: Ee Bay
- Part time: 1,540 hours, 472 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/ASAA2013081395787

## Discrepancy

RT FMC FAILED DURING CRUISE. RAN CHECKLIST UNABLE TO RESTORE DUAL FMC OPS.  RT FMC BEARING/ DISTANCE BLANK.  FMC SW BOTH ON LT.  ACFT GROUNDED.  REPLACED RT FMC COMPUTER REF MM 34-61-02.  OPS NORMAL IAW SAME.  ETOPS GROUND VERIFICATION TESTS SUCCESSFUL.

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