As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER REPLACING A REPAIRED NR 5 CYLINDER, OIL LEAKS DEVELOPED AROUND OUTBOARD ENDS OF SHROUD TUBES. COMPARISON TO ORIGINAL TCM PARTS SHOWED REPLACEMENT SEAL TO BE LARGER IN OUTSIDE DIAMETER CAUSING SEAL NOT TO PROPERLY FIT IN MACHINED RECESS CAUSING LEAKS.