# SDR IPXA09656471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2009
- Submitted: June 29, 2009
- Operation: Air carrier
- Aircraft: [N331UP](https://openairdocs.org/aircraft/N331UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27757
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Cdu
- Condition: Burned
- Location: Lt Fmc
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA09656471

## Discrepancy

PRIOR TO TAKEOFF HEARD A CRACKLING NOISE AND SMELLED ELECTRICAL BURNING RECEIVED A "L FMC FAIL IN EICAS" AND LOST THE R FMC CDU.  CDU BREAKER OPENED AND WOULD NOT RESET.  IDENTIFIED RT CDU HAD A BURNED ODOR REPLACED CDU PER MM 34-61-02-2.  REPLACED LT FMC PER MM 34-61-01-4.  OPS GOOD.

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