What was found
AT FL 310 IN & OUT OF WEATHER INCLUDING THUNDERS STORM CELLS IN VICINITY, STRONG ODOR OF SMOKE POSSIBLY ELEC IN COCKPIT & CABIN LASTING 2 - 3 MINUTES & DISSIPATED. ODOR IN CABIN LASTED UNTIL LANDING, NEVER SAW SMOKE ONLY SMELLED SMOKE. DECLARED EMER LANDING NORMALLY, DEPLANED. PERFORMED ETN EM-72-034, ODOR WAS DETECTED MOMENTARILY ON CONFIGURATION 3. AT FULL POWER E1 BLEED ON COCKPIT PACK MOPS ON, HOWEVER, SUBSEQUENT ATTEMPTS TO DUPLICATE ODOR UNDER SAME CONDITIONS FAILED. REFERENCE ITEM 1 LOG PAGE 3757459 FOR FCF.