SDR A6WA201040976

Service difficulty report · Disconnect Unit · Cndair CL6002B19

Difficulty date: December 29, 2010
Submitted: January 21, 2011
Operation: Air carrier
Aircraft: N426AW
Make and model: Cndair CL6002B19
Aircraft serial: 7669
Aircraft time: 19,987 hours, 18,806 cycles
System (JASC): 2741 · Stabilizer Position Indicating
Part: Disconnect Unit
Condition: Failed
Location: Stab Trim
Stage of operation: CR
How discovered: O
Nature of condition: F
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.