As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH HOOKS OF ONE OF THE TWO SPRING HOOKS, TAIL WHEEL STEERING SPRING, CRACKED AND FAILED. THE ASSEMBLY ONLY HAD 7.6 HOURS TIME IN SERVICE AND 18 LANDINGS WHEN IT FAILED. VISUAL EXAMINATION WITH A MAGNIFYING LENS REVEALED RUST IN THE CRACK INITIATION AREA OF THE HOOKS ON THE FAILED ASSY.