# SDR SWIA200514458

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2005
- Submitted: January 31, 2005
- Operation: Air carrier
- Aircraft: N411SW
- Make and model: Cndair CL6002B19
- Aircraft serial: 7067
- Aircraft time: 26,280 hours, 22,307 cycles
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Control Unit
- Part number: 70609
- Part serial: 859
- Condition: Malfunctioned
- Location: Horiz Stab Trim
- Stage of operation: NR
- How discovered: 9
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200514458

## Discrepancy

MACH TRIM DISENGAGES WHEN CAPTAINS PITCH TRIM IS ACTUATED.  REPLACED MACH TRIM ENGAGE/DISENGAGE SWITCH IAW MM 27-41-25.  REPLACED HSTCU IAW CRJ MM 27-41-01.  OPERATIONAL CHECK GOOD.

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