As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL FLT 751 EN ROUTE BRU TO PHL. DIRTY SOCKS SMELL NOTED IN COCKPIT AND CABIN 5 MINUTES BEFORE TOUCHDOWN, WHICH LASTED APPROXIMATELY 2 MINUTES, THEN DISSIPATED. MAINTENANCE REPLACED THE RIGHT ENGINE ASSEMBLY. HPC STAGE 5 BORESCOPE - ORGANIC DEPOSIT FOUND, POSSIBLE ODOR CONTRIBUTOR. OTHERWISE, NO FAULTS FOUND.