# SDR A6WA201040976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2010
- Submitted: January 21, 2011
- Operation: Air carrier
- Aircraft: [N426AW](https://openairdocs.org/aircraft/N426AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7669
- Aircraft time: 19,987 hours, 18,806 cycles
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Disconnect Unit
- Condition: Failed
- Location: Stab Trim
- Stage of operation: CR
- 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/A6WA201040976

## Discrepancy

AT CRUISE, FL190, 310 IAS, OAT -26C, RECEIVED MULTIPLE STAB TRIM AND MACH TRIM CAUSTION MSG`S.  SLOWED ACFT, STILL RECEIVED MSG`S.  C/W QRH AIR RETURN TO DEPARTURE.  INTERROGATED MDC, FOUND CAPT PITCH TRIM DISCONNECT SWITCH FAILED, VERIFIED FAILURE WITH SWITCH SENSITIVITY TEST IAW AMM SUP 05-029A, R & R SWITCH IAW AMM 27-41-30, OPS CHECK GOOD.

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