What was found
DURING E1 START SPARKS/FLAMES REPORTED COMING FROM BOTTOM/FRONT OF ENGINE BY OUTER AIRCRAFT. NO INDICATIONS NOTED IN COCKPIT. FOUND E1 ATS DAMAGED AND NR 1 ENGINE FIRE BOTTLE EXTINGUISHED. R&R E1 ATS. OPS CHECK SAT. R&R E1 FIRE BOTTLE. OPS CHECK SAT. PERFORMED ENGINE GROUND RUN UP. OPS CHECK SAT. NO SPARKS OR FLAMES NOTED. NO DEFECTS NOTED. PERFORMED FLUSH OF THE INTERNAL SURFACES OF THE ENGINE. OPS CHECK SAT. NO DEFECTS NOTED.