As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED OIL FILTER FROM NR 2 ENGINE DURING SCHEDULED PHASE (B) INSPECTION. FOUND RAISED BOSS ON BASE FOR O-RING SEAL CRACKED APPROXIMATELY .3333 OF THE WAY AROUND. NOTED (C) (17562), AND (10) MARKING EMBOSSED ON FILTER BASE ADJACENT TO PART NUMBER.