As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FIVE MINUTES PRIOR TO LANDING DIRTY SOCK SMELL (ODOR) LIGHT THROUGH CABIN. F/A REPORTED COMMUTING F/A IN ROW 13 REPORTED TO #1 F/A ELECTRICAL ODOR IN CABIN. MAINTENANCE FOUND APU PLENUM WET WITH SKYDROL. YELLOW HYDRAULIC HP-MANIFOLD LINE LEAKING. REMOVED AND REPLACED YELLOW HYDRAULIC HP MANIFOLD LINE UNION O-RING. OPS AND LEAK CHECK GOOD. STEAM CLEANED APU COMPARTMENT AS REQUIRED.