As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK DETECTED ON LOWER END OF BODY AT PLUGGED PORT HOLE. UNIT NOT ASSIGNED TO ANY AIRCRAFT, VENDOR SURPLUS/EXCHANGE UNIT. POSSIBLE CAUSE: PLUG BORE UNDERSIZED TOO MUCH. CRACK OCCURRING IN PLUGGED AREA. RECURRENCE PREVENTION RECOMMENDATION: WIDEN PLUG BORE. (X)