What was found
DURING DEPLANING BELOW WING AGENT CAME ONTO A/C AND INFORMED CREW LEFT ENGINE HAD TAILPIPE FIRE. NO FLT DECK INDICATION HOWEVER FLT CREW RAN QRH PROCEDURE AND DISCHARGED FIRE BOTTLE INT LEFT ENGINE. PAX EVACUATED THRU MAIN CABIN DOOR. PERFORMED #1 ENG INSPECTION IAW MM 71-00-00-800-803-F00 IP TO STEP 2CA1A. LH FIRE BOTTLE CHANGE REF LOG 8731878. FOUND NO EVIDENCE OF OIL IN TAIL PIPE FIRE ENTINGUISHING AGENT USED IN THE BOTTLE WAS HALOGEN, C/W STEP 3C1 IAW MM 71-00-00-800-803-F00. INSPECTED OIL INLET COVER AND NEW SUPPLY LINES PER ESM 72-56-00-300. COMPLETED INSP OF AFTER ENG FIRE OR ENG FIRE AGENT DISCHARGE IAW AMM 71-00-00-800-803-F00. LK CK GOOD. (LOG 8731877 - AIRCRAFT WAS GROUNDED).