As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSP, A PIECE OF METAL (APP .2500" SQUARE) WAS FOUND IN THE SUCTION SCREEN. INSPECTION REVEALED NR 6 EXHAUST LIFTER BODY WAS MISSING A PIECE WHERE THE HYD TAPPET PLUNGER ASSY INSERTS INTO THE LIFTER BODY. NO REPORTS OF LOSS IN ENGINE PERFORMANCE.