What was found
ERI - FL 1202 - ON APPROACH, WITH APU RUNNING, CREW RECEIVED APU FIRE WARNING. APU PERFORMED AUTO SHUT DOWN, AND THE FIRE BOTTLE DISCHARGED. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND NO EVIDENCE OF A FIRE. THE EXHAUST DUCTING, BLEED/LOAD CONTROL VALVE DUCTING AND SHROUD WERE CHECK FOR INTEGRITY. NO PROBLEMS WERE FOUND. THE FIRE BOTTLE WAS REPLACED. (M)