As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START WHEN TURNING ON PACKS HAD DIRTY SOCK SMELL. REF MM 05 60 00 280 801 STEP 3 FOUND OIL PRESENT IN LOAD COMPRESSOR SEAL WITNESS DRAIN. REPLACED APU REF MM 49 13 11 MM49 11 00 000 803. LEAK CHECKED AND SERVICED OIL ON NEW APU REF MM 49 11 00 400 803 STEPS H N(5)7.