# SDR ASAA0852976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2008
- Submitted: May 22, 2008
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 4,887 hours, 1,473 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Cdu
- Part number: 1741010201
- Part serial: 005280
- Condition: Malfunctioned
- Location: Cockpit
- Part time: 4,887 hours, 1,473 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0852976

## Discrepancy

LEFT CDU BLANKED OUT FOR A MOMENT EN ROUTE.  ABOUT 5 SECONDS IT WENT THROUGH A SERIES OF BIT TEST THEN CAME BACK TO A NORMAL SCREEN.  CHECKED FMC INFLIGHT FAULT LEFT FMC CDU FAULTED.  PERFORMED FIM
34 61 TASK 804 FAULT RESET CDU TEST GOOD REF FIM 34 61 TASK 804.

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