SDR SWIA201439920

Service difficulty report · Bearing · Cndair CL6002B19

Difficulty date: November 13, 2014
Submitted: November 18, 2014
Operation: Air carrier
Aircraft: N946SW
Make and model: Cndair CL6002B19
Aircraft serial: 7776
Aircraft time: 30,814 hours, 25,633 cycles
System (JASC): 2701 · Control Column Section
Part: Bearing
Condition: Worn
Location: Yoke
Stage of operation: CL
How discovered: O
Nature of condition: E
Precautionary procedure: A

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

What was found

FLIGHT CONTROLS STARTED VIBRATING AT FL 220 AT 280 WITH THE AUTOPILOT ON. AS WE STARTED TO DESCENDING BACK TO ORD AT 12000 FT THE VIBRATION BECAME LESS AND AT 10,000 FT IS WAS NORMAL. WE DID TURN THE A/P OFF IN DESCEND AROUND 18000 FT BUT THERE WAS NO CHANGE. R & R BUSHING ON NR 2 ELEVATOR PCU IAW AMM. PERFORMED ELEVATOR BEARING BACKLASH CHECK IAW AMM. BACKLASH CHECK PASSED. INSPECTED CAPT AND F/O`S CONTROL YOKE BEARING AND RE-TORQUED YOKE IAW AMM. OPS CHECK GOOD.TS.