As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL COOLER 160156-2, SN 23-610C SERIES 2 HAS POSSIBLE UNAPPROVED REPAIR CONSISTING OF A PLUG WELD IN THE MIDDLE OF THE OIL COOLER FINS AND WALL COMPLETELY THRU. CHIEF INSPECTOR NOTIFIED AT REPAIR STATION AND REQUESTED SUP TO BE COMPLETED ON 11/22/05.