What was found
AFTER TAKEOFF, ANTI ICE 1 FAILED & ANTI ICE I ENG 2 FAILED, ACCOMPANIED BY A STRONG ODOR, QRH ACCOMPLISHED. ODOR DISSIPATED. F/A 1 SAID FAINT ODOR RETURNED. AT 500 FT ON APPROACH, BLEED 2 FAIL CAUTION AND DURING LANDING ICE DETECTOR 1 FAILED CAUTION ON EICAS.