As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED HOT SECTION INSPECTION, FOUND SEAL CRACKED AT SEALING FLANGE. THIS IS A CRITICAL LIFE LIMITED COMPONENT. LIFE LIMIT IS 20,000 CYCLES. SUBMITTER SUGGESTS ALLIED SIGNAL ENGINEERING DETERMINE/CORRECT CAUSE OF CRACKING. NUMEROUS MALFUNCTION/DEFECT REPORTS SUBMITTED ON THIS TOPIC BY THIS REPAIR STATION ALONE. CYCLES SINCE NEW, 10,865.