# SDR AALA2019123069007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2019
- Submitted: December 30, 2019
- Operation: Air carrier
- Aircraft: N343AN
- Make and model: Boeing 767323
- Aircraft serial: 33082
- Aircraft time: 63,164 hours, 10,489 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Module
- Part number: 285T04961
- Part serial: DO1735
- Condition: Failed
- Location: Eicas
- Stage of operation: NR
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019123069007

## Discrepancy

AIRCRAFT WAS GROUNDED,  LEFT EICAS COMPUTER MESSAGE TOPS EICAS SCREEN BLANK WITH EICAS  DISPLAY CAUTION MISC BOTH EICAS SCREENS FLICKER.  REPLACED UPPER EICAS SWITCHING MODULE IAW AMM 31-41-04 (AALA201912269007) AND THE LEFT EICAS COMPUTER IAW AMM 31-41-02 (AALA201912309001).

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