What was found
PDIS 630 26-15 2055741 07APR19 PHL CLOSE ON TAXI OUT MASTER WARNING TRIPLE CHIME EICAS MESSAGE BAG SMOKE. FIRE EXTINGUSHER BAG BUTTON ILLUMINATED .CREW PERFORMED MEMORY ITEMS (RELEASED EXTIG AGENT)RAN QRH FA PERFORMED VISUAL INSPECTION.FIRE DEPT CONF IRMED NO SMOKE/FIRE/EXCESS HEAT TAXIED BACK TO GATE FACT 07APR19 20:14 PHL INSPECTED AND VERIFIED NO EVIDENCE OF FIRE. BOTH FIRE BOTTLE HARNESS ELECTRICLY TESTED GOOD. R&R BAG BAY FIRE BOTTLES IAW 26-23-01. OPS CK GOOD.