As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ACB SHIELD BS 767-792 RBL 22 WL 156 / CORROSION DAMAGE EVALUATION ON ACB SHIELD P/N 146A8127-12 WAS FOUND TO BE OUT OF LIMITS. DUE TO NO LIMITS GIVEN IN SRM. REMOVED AND INSTALLED NEW ACB SHIELD BS 767-792; RBL 22; WL 156. PER DWG 146A0081. AND SRM 51-40-02 87713U 18MAR21