What was found
UPON TAKING RUNWAY, ACFT TOWER REPORTED TAILPIPE FIRE ON NR 1 ENG. ALL ENG INDICATIONS NORMAL. SHUTDOWN ENG, FIRE WENT OUT. FOLLOWED QRH & RETURNED TO GATE. INSPECTED ENG INLET & EXHAUST, INSPECTED TURBINE BLADES, NO DAMAGE FOUND. STARTED ENG TWICE IAW AMM 71-00-00-800-808-F-00. ENG STARTED NORMALLY, IDLED FOR 10 MIN EACH TIME. ALL PARAMETERS WERE NORMAL, NO DEFECTS NOTED. OK FOR SERVICE.