As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THESE BRACKETS ARE MADE OF MAGNESIUM AND ARE CORRODING SEVERELY AND CRACKING AT THE MOUNTING FEET AND THE MAIN BEARING BOSS. SUGGEST DYE PENETRANT CHECK WITH PAINT REMOVED, AT EACH ANNUAL INSPECTION. REPLACE WITH AIRWORTHY BRACKETS OR STC ALUMINUM BRACKETS.