What was found
STRONG ELEC BURNING SMELL WITH NO SIGN OF SMOKE AFTER STARTING BOTH ENGS BEFORE TAXI. DEFERRED PACK ONE. PERFORMED OPERATIONS CHECK OF COOLING PACK SYS IAW AMM TASK 21-51-00-700-802-A. OPERATIONS CHECKED GOOD, PACK 1 SOUNDS, SMELLS & FUNCTIONS NORMALLY. MEL ITEM RESTORED.