SDR CA120402003

Service difficulty report · Electronic Unit · Bombdr DHC8400

Difficulty date: February 10, 2012
Submitted: September 14, 2015
Operation: General aviation
Make and model: Bombdr DHC8400
Engine: Pwc PW150A
Propeller: Rotol CR4086123F17
System (JASC): 2720 · Rudder Control System
Part: Electronic Unit
Part number: 3995001007
Condition: Lack Of Lube
Location: Rudder
Stage of operation: DE
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

(CAN) CAPTAINS RUDDER PEDALS DON`T SEEM TO HAVE EQUAL PSI WHEN PUSHING ON EACH PEDAL AND RELEASE SPEED IS SLOW TO RETURN ON 1 PEDAL, RIGHT. NO PROBLEMS DURING FLIGHT WERE FELT OR INDICATED. FO`S PEDALS ALSO INDICATED UNEQUAL PSI AND MOVEMENT SIMILAR TO THE CAPTAINS PEDALS. MAINTENANCE LUBRICATED THE RFTU SPRING TRUNIONS WITH LPS AND THE STIFFNESS WENT AWAY. THE RFTU WAS REPLACED. REMOVED UNIT SN 0451 POST SB 84-27-57 WAS HAND CARRIED TO MOOG FOR TEARDOWN WITH PREVIOUS REMOVED POST SB UNIT.