What was found
DURING C-2 CHECK, INSPECTION REPORTED NR 1 ENGINE PYLON AFT UPPER THREADED SLEEVE AT RIB 10 LOCK WASHER NR 103 TANG SLIGHTLY ENGAGED IN NUT, AFT PYLON-TO-WING ATTACH FITTING. ENGAGED TANG ON NUT FOR NR 1 ENGINE PYLON AFT UPPER THREADED SLEEVE AT RIB 10 IAW AMM 54-51-17-400-002, PAGE 3, ITEM 14.