As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS REPORTED A DIRTY SOCK SMELL IN REAR OF AIRCRAFT SHORTLY AFTER DESCENT OUT OF FL250, NO SMELL IN COCKPIT. MX COMPLIED WITH JOB CARDS 26L00021001, 26L00021002 & 26L00021004. FOUND OIL LEAK FROM APU STARTER CLUTCH COVER & ACCESSORY GEARBOX. REPLACED STARTER CLUTCH PACKING IAW AMM 49-42-52. NO LEAKS FOUND & NO ODOR NOTED, AIRCRAFT OK FOR SERVICE.