As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TORQUE TUBE CRACKED AT FORK BOLT TUBE BOSS. THIS IS 2ND 5/8 BOSS WE HAVE HAD FAIL AND RECOMMEND INSPECTION IMMEDIATELY ON UNITS OVER 5000 HOURS. THE 1/2 BOSS TORQUE TUBES DONT SEEM AS VUNERABLE. WE HAVE HAD 4 XRAYED THAT SHOW UNDERCUTTING AT WELDS AROUND BOSS.