What was found
FCP RUDDER PEDAL TRUNNION, DRAWING 5ST31, IS CRACKING AROUND THE WELDS IN VARIOUS LOCATIONS ON THE PART. MAINTAIN 18 OF THE DG1000S AIRCRAFT IN A TRAINING ENVIRONMENT, & ALMOST ALL ARE EXPERIENCING CRACKS TO SOME DEGREE. LOSS OF RUDDER CONTROL CAN OCCUR IF WELDS ARE LEFT TO CRACK FULLY. AIRCAFT: DGFLUG, DG1000S.