What was found
SMELLED A BURNING ODOR SIMILAR TO A BURNING ELECTRICAL IN THE COCKPIT. FA STATED SHE SAW SMOKE AND SMELLED THE ODOR. LEFT A HAZE AROUND FIRST CLASS CABIN. COMPLIED WITH AMM 05-51-56 SMOKE OR ODOR IN THE FLIGHT DECK AND OIL SERVICE ACCOMPLISHED CABIN CONDITIONAL INSPECTION FROM STEP 1 TO 3 AND NOTHING. ACCOMPLISHED IN IDLE ENGINE CHECKED. MAINTAINED HIGHER POWER SETTINGS FOR 15 MINUTES WITH FULL PNEUMATIC AND ELECTRICAL LOADS, ALL SYSTEMS AND INDICATIONS NORMAL WITH NO ODORS.