As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LOCKING CHANNEL FOR THE KEY IS NOT COMPLETELY MACHINED WHICH RESULTS IN NOT BEING ABLE TO FULLY ADJUST THE PITCH ROD ASSY. SEE ATTACHED PHOTOGRAPHS NR 2 IS A CORRECTLY MACHINED CHANNEL AND NR 1 IS THE FAULTY PART IN QUESTION. THE PART WAS RETURNED TO THE OEM WITH A CORRECTIVE ACTION REPORT WITH A FOLLOW UP E-MAIL DATED THE 10TH NOVEMBER 2005. NO REPLY TO THE ROOT CAUSE TO DATE.