As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BAD OIL SMELL IN AIR CONDITIONING DURING CLIMB. INSP LT AND RT ACM AND ASSOCIATED DUCTS. REMOVED FLIGHT DECK OV/HEAD DUCTS AND REMOVED OLD DETERIORATED NAPKINS THAT WERE STUFFED UP IN THERE. CLEANED DUCTS, REINSTALLED AND OPS CK OK IAW SF340B AMM 21-20-00.