What was found
SMELL EMANATING FROM LEFT PACK SMELL IS IN THE REAR OF THE AC AND COCKPIT. NO SMELL IN MID AND FIRST CLASS. IT IS 1HOUR AND 52 MIN SINCE T/O. THE SMELL IS COMING FROM THE LEFT PACK, WITH LEFT PACK OFF SMELL DISSIPATED. ITEM ROLLED FORWARD. POWER AT IDLE, SMELL STRONG IN DESCENT. ACCOMPLISHED NUMEROUS CH ITEMS ASSGINED BY EG. SEE AMIS HISTORY FOR COMPONENTS REPLACED. ACCOMPLISHED BURNOUT ON BOTH AIR CONDITIONING PACKS. NO ABNORMAL ODORS NOTED WITH SFOEG SPECTROMETER ANALYSIS EQUIPMENT.