Service difficulty report · Control Unit · Bombdr DHC8402

Difficulty date
March 2, 2012
Submitted
March 7, 2012
Operation
Air carrier
Aircraft
N404QX
Make and model
Bombdr DHC8402
Aircraft serial
4046
Aircraft time
26,535 hours, 27,558 cycles
Part
Control Unit
Part number
3995001007
Part serial
066A
Condition
Malfunctioned
Location
Rudder
Part time
138 hours
Stage of operation
AP
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

ON FINAL, F/O STATED THE LT RUDDER WAS STICKING WHILE ADDING LT RUDDER, IT BROKE FREE WHILE ON FINAL. CAPTAIN FELT RUDDER STICKING OR HAD SOME RESISTANCE. NO PROBLEMS ON FINAL OR ON THE RUNWAY. CHECKED THE RUDDER WHILE ON THE ROLLOUT AND IT WAS FREE MOVING. UNABLE TO DUPLICATE NOTED DESCREPANCY. COMPLIED WITH GVI OF RUDDER CONTROL CABLES, NO DEFECTS NOTED. R & R RFTU IAW AMM TASK 27-22-06-000-801/400-801. COMPLIED WITH OPS TEST OF RUDDER CONTROL SYS IAW AMM TASK 27-20-00-710-807. NO DEFECTS. COMPLIED WITH FREEDOM OF MOVEMENT CHECK IAW GPM 9.2.5. COMPLETED FREEDOM OF MOVEMENT CHECK, ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT, NO DEFECTS NOTED. RETURNED TO SERVICE.