As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3266 DSIC: CABIN SMELLS LIKE MOLDY AND DAMP WHEN AIR IS ON. FIRST CLASS/ COMFORT+ ARE THE WORST SECTIONS. C/A: FAINT SMELL PRESENT UPON ARRIVAL TO A/C. PER MC REQIUST AMDS CARDS 4900-2011 AND 2100-2005. REF LOG 0525881. INSPECTION OF APU SHOW SIGNS OF OIL IN PLENUM AND APU BLEED VALVE. /UBE WIP 906371. THIS LOG TRANSFERRED TO MD LOG 0525881 FOR SMOKE /FUME ODI EVENT. (LP: 0525424)