# SDR ASAA2016072817559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2016
- Submitted: August 1, 2016
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 11,016 hours, 3,597 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 007345
- Condition: Failed
- Location: Right
- Part time: 13,427 hours, 4,310 cycles
- Stage of operation: NR
- 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/ASAA2016072817559

## Discrepancy

FMC P/RST ANNUNCIATOR LIGHT ILLUMINATED FOLLOW BY CAPTIANS VTR AND MAP FAILURE FLAG CDUS WENT TO MENU WITHOUT FMC LINE L-1.  RESTORED NORMAL DISPLAYS WITH FMC SWITCH BOTH ON RT.  ACFT GROUNDED. REPLACED LEFT FMC IAW AMM 34-61-02.  OPS CHECKED GOOD.

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