As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL STRAINER ELEMENT P/N EK9052V INSTALLED UNDER STC BY RAM WHEN AIRCRAFT WAS MODIFIED TO SERIES VII. ELEMENT PLUGS UP AND HAS NO BYPASS AND LIMITS OIL FLOW TO WASTEGATE AND AIRCRAFT DOES NOT DEVELOP FULL POWER ON TAKEOFF OR AT ALTITUDE. WITH NEW ELEMENT, AIRCRAFT OPERATES NORMAL. ELEMENT LASTS ONLY BETWEEN 5 TO 15 HOURS. (X)