As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MX FACILITY HAS ADVISED MFG OF A BROKEN NLG STEERING COLLAR, PN 71-161-11. DISCOVERED ON AN IN-SERVICE ACFT. PREVIOUS ACTIONS ON THIS MATTER BY THE OEM INCLUDE SB 6.533 WHICH INTRODUCED A STEEL STEERING COLLAR C6U1512-1. MFG WILL BE REVIEWING THIS MATTER, CONTINUING AIRWORTHINESS TO DETERMINE WHAT ADDITIONAL ACTIONS CAN BE TAKEN.