What was found
CLIMBING THROUGH APPROX 360 HAD SMOKE IN COCKPIT, UNKNOWN SOURCE. T-SHOT IAW FIM 21-00 TASK 808, RAN ENGS 1 & 2. COULD NOT DUPLICATE, FOUND NO BURNING OF EXTERIOR & INTERIOR. OK FOR SERVICE. FOUND RT RECIRC FAN WITH OIL CONTAMINATION. R & R RT RECIRC FAN IAW AMM 21-23-07 ALL OPS CHKS PASS. INSPECT RT EQUIP COOLING FAN IAW AMM 21-22-03, INSPECT RT PACK FLOW CONTROL VALVE IAW AMM 21-51-01/21-51-02 NO CONTAMINATION. INSPECT LT EQUIP COOLING FAN FAN IAW AMM 21-27-03 NO DEFECTS. INSPECT LT FLOW CONTROL VALVE IAW AMM 21-51-01 & 21-51-02, NO DEFECTS. R & R FILTERS IAW AMM 21-25-08, NO DEFECTS. IAW FIM 21-00 TASK 808 & AMM 05-51-50 PERFORMED APU, ENG LT & ENGI RT OPS OF A/C SYS, NO FUMES NOTED.