What was found
NR 2 ENG FIRE AGENT 2 LOW LIGHT ON WITHOUT CREW ACTION. *S/D* NR 2 ENGINE FIRE BOTTLE AND CARTRIDGES (P/N: 876296 -2) REPLACED ON 5/5. UPON FURTHER INVESTIGATION, DISCOVERED CARTRIDGE FIRED WITHOUT DISCHARGING FIRE BOTTLE. SUSPECT WHEN NR 2 ENGINE MAINTENANCE WAS ACCOMPLISHED, DISCHARGE CARTRIDGE WAS INADVERTENTLY TRIGGERED. THE FIRE BOTTLE''S DISC IS NOT RUPTURED, BUT HAS DEFORMATION. SUSPECT A SMALL LEAK IS ASSOCIATED WITH THE DEFORMATION, PRODUCING AN AGENT LOW LIGHT ON 5/4. ATTEMPTING TO LOCATE THE FIRED CARTRIDGE AND WORKING WITH BOTH OEM''S TO FURTHER INVESTIGATE FAILURE OF THE CARTRIDGE TO RUPTURE THE DISC.