SilkAir 185
Printed page 31. PDF page 44.
position before impact. Examination of the servo valve of the main rudder PCU showed no scratch marks on the surface of the slides, as well as in the internal bores of the valve. Corrosion deposits were found in the cavitiesOpen official document at PDF page 44Aircraft Accident Report: SilkAir Flight MI 185, Boeing B737-300, 9V-TRF