What was found
ON CLIMB OUT, NOTICED A BURNING ODOR UNABLE TO CONTROL LT PACK - TEMP SWITCH WAS 90 AND CLIMBING INTO AUTO OR MANUAL MODE. SHUTOFF LT PACK AND ODOR WENT AWAY. RETURNED TO DEPARTURE. DEFERRED LT AIR CONDITION PACK IAW MEL 21-50-1. SCOOP LOWERED MX PROX WITH MXC 22609 ENTERED IN MM02 A&P 2060784. PERFORMED OPS CHECK OF TEMP CONTROL SYS IAW AMM 21-60-00, OPS CHECKS GOOD AT THIS TIME. REMOVED FROM MEL MM02, AIR SCOOP RESECURED. TURN ACM BY HAND AND ACM TURNS FREELY. R & R LT AIR CYCLE MACHINE. NO ODOR OF BURNED OIL WAS PRESENT.