# SDR ASAA201805224730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2018
- Submitted: May 22, 2018
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 17,902 hours, 5,951 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 012605
- Condition: Failed
- Location: Left
- Part time: 5,152 hours, 1,792 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201805224730

## Discrepancy

VTK FLAG, RAN QRH FOR THE LEFT FMC.  ACFT GROUNDED.  LT FMC LOGGED A COMPUTER FAULT LAST FLT.  REMOVED & REPLACED THE LT FMC IAW AMM 34-61-02/400-801.  SOFTWARE AND PERF FACTORS CHECKED GOOD & OPS CHECKED GOOD IAW MM 34-61-00-701-801.

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