# SDR ZKFR201109286209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2011
- Submitted: December 27, 2011
- Operation: Air carrier
- Aircraft: [N78KN](https://openairdocs.org/aircraft/N78KN), registered now
- Make and model: Hawbee 4000
- Aircraft serial: RC31
- Aircraft time: 605 hours, 389 cycles
- System (JASC): [4500 · Central Maintenance Computer](https://openairdocs.org/jasc/4500)
- Part: Circuit Card
- Part number: 70340551901
- Part serial: 10101392
- Condition: Failed
- Location: Cmc
- Part time: 605 hours, 389 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZKFR201109286209

## Discrepancy

FOUND CMC CARD TO BE FAILED.  R & R CMC MODULE ASSY (CARD).  OPS CHECKS GOOD.

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