What was found
AFTER APU WAS STARTED ALL F/A'S REPORTED FUMES SMELL. SMELL DISSIPATED QUICKLY. PERFORMED TSM# 05-50-00-810-831. ISOLATE PACK 1 AND 2 WITH APU BLEED AND WITH BOTH ENGINES RUNNING. NO SMELLS, OR DEFECTS NOTED AT THIS TIME, ALL CHECKS OK IAW AMM 49-00-00 AND 70-00-00, NO LEAKS NOTED.