What was found
NR 1 ENG OTBD AFT PYLON, MOUNTING BRACKET COMMON TO FAIRING 475AL CRACKED, DOT 55-011. REMOVED EXTRUSION CRACKED P/N A54610811600 AT NR 1 ENG O/B AFT PYLON IAW P&W SRM 54-04-01. INSTALLED EXTRUSION P/N UP-A5461081160000 AND FAIRING ASSY P/N A54612280602 ON NR 1 ENG O/B AFT PYLON IAW P&W SRM 54-04-01.