As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSP, FOUND (2) OF THE (3) BOLTS SECURING NOSE GEAR STEERING ARM SHEARED OFF. THE AN6H-40 WAS SECURING THE ARM ALONG WITH ONE AN3H5A. MFG ON LATER SN USED AN4H BOLTS RATHER THEN AN3H BOLTS. OVER STEER CAM WAS SEIZED TOGETHER. THE STEERING ARM (PN55193-10) TO PLATE ASY. (PN55192--005) SHOULD BE REMOVED AND LUBRICATED ON AN ANNUAL BASIS OR MORE OFTEN. MFG ONLY RECOMMENDS LUBRICATING THE CAM "UPON INSTALL."