What was found
AIRCRAFT WAS GNDED. AIR INTERRUPT, EMER WAS DECLARED, LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING TAKEOFF A STRONG ALMOND LIKE ODOR WAS EXPERIENCED BY CREW & PAXS. RECIRCULATION FANS SELECTED OFF BUT ODOR DID NOT DISSIPATE. ACCOMPLISHED CARD 05-96-70. R & R RT RECIRCULATION FAN IAW AMM 21-25-02. ALSO FOUND HEPA FILTERS DIRTY. R & R HEPA FILTERS TWO EACH IAW AMM 21-25-01. SEE ALSO AALA 20160426006 & AALA 2016042607.