What was found
ODOR DETECTED ON TAKEOFF IN COCKPIT. DISAPPATED QUICKLIY. DESCENDING FRO CRUISE ALTITUDE DETECTED STRONGER ODOR IN COCKPIT STARTING AROUND 26,000FT HAD AGAIN DISAPPATED BEFORE ODOR CHECKLIST COULD BE COMPLETED.-FOUND BOTH #1 & #2 DEOILER SEALS BAD, REPLACED #1 & #2 ENG DEOILER SEALS IAW AMM 12-60-31. RAN ENGS IAW AMM 71-00-00. PERFORMED TSM 21-00-00, MNO FURTEHR DEFECTS NOTED, A/C OKAY FOR SERVICE.