As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING A NR 2 ENGINE MCD INSPECTION, SMALL SLIVERS OF O-RING MATERIAL WERE FOUND IN THE FWD SUMP MCD. ACFT GROUNDED. REPLACED THE NR 2 ENG SCAVENGE OIL FILTER ELEMENT AND NR 2 ENGINE LUBRICATION UNIT INNER AND OUTER SEALING SPOOL PACKINGS IAW AMM 79-00-00-200-804-F00 STEP 7H(7)(M). LEAK CHECKED GOOD IAW AMM 79-21-06-000-801-F00 AND 79-21-01-400-804-F00. NO FURTHER MAINTENANCE ACTION NECESSARY.