# SDR 433858831

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2008
- Submitted: January 29, 2008
- Operation: General aviation
- Aircraft: N808BL
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK367
- Aircraft time: 1,529 hours, 1,611 cycles
- Engine: Garrtt TFE7315BR
- System (JASC): [3461 · Flight Management Computing Software System](https://openairdocs.org/jasc/3461)
- Part: Fmc
- Part number: 8220891008
- Part serial: 12VTB13W9D
- Condition: Faulted
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/433858831

## Discrepancy

UNCOMMANDED 360 DEGREE TURN AS COMMANDED BY THE FMS.  REF SB 0057-05 DATED DECEMBER 21, 2005 DELETING A WAYPOINT MAY CAUSE THE FMS TO INSERT AND FLY AN UNINTENDED TURN.  KNOWN PROBLEM WITH OPTIONAL SOLUTION FOR FMS6000 INSTALLED IN AC, NO SOLUTION FOR FMS5000 INSTALLED IN AC.


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