What was found
AIRCRAFT GROUNDED. FOUL ODOR DETECTED FROM DIRTY RECIRCULATION AIR FILTER. REPLACED LEFT FILTER IAW AMM 21-25-02. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT GROUNDED. FOUL ODOR DETECTED FROM DIRTY RECIRCULATION AIR FILTER. REPLACED LEFT FILTER IAW AMM 21-25-02. OPERATIONAL CHECK GOOD.