What was found
FLIGHT CREW REPORTED, FIRE INDICATION ON NR 2 ENGINE. SHUTDOWN ENGINE VIA CHECKLIST. ALL INDICATIONS OF FIRE OUT, FL 330, TIME 0355Z. AFTER ENGINE WAS SECURED, OIL PRESSURE MAINTAINED 18-20 PSI, DISCHARGED FIRE BOTTLE. REMOVED AND REPLACED FIRE BOTTLE PER MM 26-21-03. INSPECTED ENGINE, FOUND BLEED AIR LEAK AT PRESSURE RELIEF VALVE. REPLACED CLAMP AND LEAK CHECKED GOOD. ACCOMPLISHED INSPECTION PER MM 72-00+00 698-17, NO DEFFECTS.