What was found
NR 2 ENG FIRE WARNING. BOTH A & B LOOP. EMERGENCY CHECKLIST RUN - AFT FIRE BOTTLE DISCHARGED. FOUND COMBUSTER BORESCOPE PLUGS, 1 AND 3 O'CLOCK, IMPROPERLY SECURED. RESECURED 2 BORESCOPE PLUGS PER CFM M/M 72-42-00. PERFORMED VISUAL INSPECTION OF ENGINE AND COWL PER M/M 71-00. NO DEFECTS NOTED.