What was found
THERE WAS AN OIL SMELL COMING FROM BOTH A/C PACKS. CLEANED RIGHT COALESCER FILTER AND REPLACED THE LEFT COALESCER FILTER IAW DC-9 MM 21-20-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THERE WAS AN OIL SMELL COMING FROM BOTH A/C PACKS. CLEANED RIGHT COALESCER FILTER AND REPLACED THE LEFT COALESCER FILTER IAW DC-9 MM 21-20-02.