What was found
NR 2 FIRE WARNING LIGHT AND BELL WENT OFF ABOUT 50 MILES PRIOR TO LAND QRH PROCEDURES COMPLETE AND ENGINE SECURED. BOTH FIRE BOTTLES EXPENDED INTO NR 2 ENGINE. BELL CONTINUED TO SOUND AND FIRE LIGHT CONTINUED TO ILLUMINATE LONG AFTER LANDING AND TAXI IN. REMOVED AND REPLACED BOTTLES IAW MM26-21-11. OPS CKD NORMAL T/S FIRE INDICATION INTERMITTENT CONNECTOR ON FIRE DETECTION LOOP B AFT C/P.