# SDR A6WA200740431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2007
- Submitted: August 21, 2007
- Operation: Air carrier
- Aircraft: [N462AW](https://openairdocs.org/aircraft/N462AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7875
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Control Unit
- Condition: Failed
- Location: Pitch Trim
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA200740431

## Discrepancy

CAUTION MESSAGE INFLIGHT, STAB TRIM, MACH TRIM, AUTOPILOT TRIM NOSE DOWN.  PITCH STUCK AT 6.0.  WHEN AUTOPILOT DISENGAGED AT 1000` AGL ALL MESSAGES DISAPPEARED PITCH TRIM WAS OPERATIONAL.  HSTCU FAIL, REMOVED AND REPLACED HSTCU IAW 27-41-01, NO FAULTS NOTED.  OPS CHECK GOOD.  (M)

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