Service difficulty report · Control Rod · Doug MD900

Difficulty date
April 16, 2013
Submitted
April 19, 2013
Operation
Air carrier
Aircraft
N902TX
Make and model
Doug MD900
Aircraft serial
90000092
Aircraft time
4,665 hours, 14,898 cycles
Part
Control Rod
Part number
900C2010239
Condition
Faulty
Location
Notar
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

ON DAILY INSPECTION FOR COMPLIANCE OF DAILY AD 2004-16-08 FOR THE NOTAR FAN CONTROL ROD, IT WAS FOUND THAT SAFETY LANDYARDS ON THE FORCE LIMITING ASSY WERE TIGHT. UPON FURTHER INVESTIGATION FOUND THAT LANDYARDS WERE TIGHT WHEN MOVING LEFT AND RIGHT PEDALS FULL FORWARD POSITIONS. LANDYARDS WOULD ONLY LOOSEN WHEN ROTATING THE CONTROL ROD PISTON CYLINDER IN THE PEDAL NEUTRAL POSITION ONLY (AUDIBLE POP WAS HEARD WHEN ROTATING BARREL, CORRISPONDING WITH THE RETRACTION OF THE CONTROL ROD END INTO FORCE LIMITING ASSY). AFTER REMOVAL OF CONTROL ROD FOUND PLUGGER EASY TO REMOVE AND SOUNDS OF A LOOSE METAL OBJECT FROM INSIDE OF TORQUE TUBE.

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