What was found
BRAKE ASSEMBLY, P/N 5020520-1, FAILED PREMATURELY, FIVE EACH PISTONS LEAKING FROM INSULATOR AREA. PISTONS INTERNALLY FILLED WITH FLUID. EVIDENCE OF T-SEAL FAILURE. SUBMITTER STATED THIS IS A CONTINUAL DISCREPANCY. NOTE: OEM PARTS INSTALLED IN BRAKE ASSEMBLY AND THE MOST RECENT BRAKE CONFIGURATION, P/N 5010520-1.