As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING #2 ENG IDLE LEAK CHECK FOUND L/H MAIN CORE COMPLARTMENT DRAIN LEAKING MORE THAN 1 DROP A SECOND. REF AMM 71-71-00-200-801-G00 FIG 601 SHEET 3. GROUNDED - YES. REPLACED #2 ENG SPLIT CONTROL UNIT REF MM 73-11-06, LK AND OPS CK GOOD.