As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) C-XXXX WAS ON APPROACH INTO XXX WHEN THE AIRCRAFT ENGINE STARTED VIBRATING EXCESSIVELY. PILOT PROCEEDED TO LAND AIRCRAFT WITH NO ISSUES. UPON INSPECTION THE AME FOUND A BENT PUSH ROD TUBE & SHROUD AS A RESULT OF A STUCK EXHAUST VALVE. (TC# 20190615001)