What was found
NOSE LANDING GEAR STEERING JAC, PN 61823, SN SJA-400, WAS RETURNED FOR OVERHAUL. INSPECTION REVEALED THE PISTON ROD, PN 618212, SN DHL365, HAD BROKEN OFF AND A PORTION OF THE PISTON ROD WAS STILL THREADED ON THE END WHERE THE END FITTING IS ATTACHED. THIS PISTON ROD HAD FAILED AT THE TRANSITION RADIUS AT THE TERMINATION OF THE INSIDE DIAMETER THREADS ON THE END WHERE THE END FITTING IS ATTACHED. TOTAL HOURS SINCE NEW AND SINCE OVERHAUL WERE NOT REPORTED. FAILED PISTON ROD HAS BEEN RETURNED TO APPH FOR INVESTIGATION.