# SDR ASAA1158734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2011
- Submitted: January 10, 2011
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 15,963 hours, 5,002 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 002476
- Condition: Failed
- Location: E&E Bay
- Part time: 15,950 hours, 4,997 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1158734

## Discrepancy

VTK/MAP ON NR 1 CDU UNABLE TO RESTORE NR 1 FMC SINGLE FMC OPS.  DIVERSION TIME 58 MINUTES.  CONFIRMED DEFECT NR 1 FMCU INOP R FMC LOGGED L FMC FAIL.  CYCLED PWR TO L FMCU DISPLAY RETURNED L FMC SHOWS FAIL LAST FLT.  REPLACED NR 1 FMC COMP L FMC CKS OK.  GRD FUNCT CHECK SUCCESSFUL REF 34 61 02 PB401.

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