What was found
UPON STARTING LEFT ENGINE, THE CREW SMELLED A BURNING ODOR FOLLOWED BY PACK L CHECKLIST.(<P>PER MCC REQUEST, PERFORMED CONDITIONAL INSP PER AMM 05-51-50-200-801, FIM 21-00 TASK 808 AND AMM 71-00-00/501. ENG RUN AND PACK OPS TEST. NO ODOR SMELL NOTICED FOR BOTH ENG BLD SYS AND BOTH PACK SYS. MCC NOTIFIED. NO FURTHER DEFECTS NOTED.