As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SCRAPER SEALS FAILING. 3 AIRCRAFT, S BRAKE ASSEMBLIES SO FAR. SCRAPER SUPPORTS PISTON GUIDE AND IS COMING UNSEATED. THE GUIDE THEN SHIFTS IN THE BORE AND COCKS THE PISTON SIDEWAYS AND THE SEAL BECOMES INEFFECTIVE. WAITING ON ENGINEERING DISPOSITION FROM ABSC. RECOMMEND INSPECT AND REPLACE.