What was found
AIRCRAFT WAS GROUNDED: SMELL OF FUMES THROUGHOUT CABIN DURING FLIGHT. REPORTED BY F/ATTENDANTS AND FLT CREW MEMBERS. REFERRED TO SMELL AS BURNING GLUE. MAINTENANCE ISOLATED THE SOURCE TO A POSSIBLE OIL LEAK. PERFORMED TASK CARD 26L00021002 AND FOUND APU SOAKED IN GLYCOL. FOUND NO OIL EVIDENCE AS PER JC 26L0021002. PERFORMED APU AND COMPARTMENT WASH. RAN APU FOR 30 MIN. NO EVIDENCE OF OIL LEAK. NO SMELL IN COCKPIT OR CABIN AFTER EXTENSIVE RUN.