What was found
THE CREW REPORTS THAT THERE WAS A STRONG "FUME" SMELL IN THE CABIN, STRONGEST IN ROW 14. ACFT LANDED UNEVENTFULLY. ATLANTA MAINTENANCE RAN BOTH PACKS AND COULD NOT DUPLICATE THE SMELL, HOWEVER MAINTENANCE DID FIND THAT THE APU HAD AN OVERTEMP CAUTION CODE WHICH COULD HAVE PRODUCED THE SMELL. ATL MAINTENANCE REMOVED AND REPLACED THE ASCA FUSE AND THE APU STARTER ASSEMBLY IAW CRJ 900 AMM 41-41-07. THERE HAVE BEEN NO FURTHER LIKE DISCREPANCIES SINCE.