# SDR ASAA1057228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2010
- Submitted: January 14, 2010
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 8,558 hours, 2,469 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Location: E&E Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1057228

## Discrepancy

FMC 1&2 WENT OUT DURING PREFLIGHT AND WILL NOT RE-INITIALIZE.  VERIFIED FAULT BOTH FMC 1&2 INOP PULLED CIRCUIT BREAKERS FOR FMC 1&2 MCDU AND COMPUTER RE-RACKED FMC 1&2 COMPUTERS RESET ALL CIRCUIT BREAKERS SYSTEM, OPS CHECK GOOD IAW MM 34 61 00.

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