As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PREVIOUS FLIGHT CREW REPORTED FUME EVENT FA'S CONFIRMED ALL 4 SMELT BURNT GLUE SMELL DURING APPROACH TO LANDING.-PERFORMED TSM PROCEDURES 05-50-00-810-831-A FOUND SOURCE OF AIR QUALITY EVENT TO BE APU BLEED. NO FURTHER FAULTS OR DEFECTS NOTED. MOC 76398.