# SDR ASAA2012122093511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2012
- Submitted: December 24, 2012
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 24,419 hours, 7,527 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Malfunctioned
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012122093511

## Discrepancy

IAW TC 78273000 INTERROGATE THE FMC/CDU FOR NR 1 ENGINE,  FOUND FAULT NR 73-30791 PS3 SIGNAL DISAGREE.  ACCOMPLISHED FIM TASK 73-26 TASK 806. NO RECENT FAULTS FOUND.  NO FAULT HISTORY FAULTS FOUND.

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