As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH THE LEFT AND RIGHT HYDRAULIC FILTER HOUSINGS WERE MISSING THEIR SPRINGS. THE SPRINGS HOLD THE FILTER IN PLACE AND WILL COMPRESS SHOULD THE FILTER PLUG UP. IT IS POSSIBLE THE FILTER COULD FALL OFF ITS INSTALLED POSITION WITHOUT THE SPRING IN PLACE.