What was found
LT WING OTBD L/E 530KL, SECOND SHROUDS FROM OTBD END HAS A NUTPLATE RIVET PULLING THROUGH SHROUD AT OTBD END & SKIN IS CRACKING. REMOVED 3 EA NUTPLATES FROM SHROUD IAW SRM 51-45-00 AND 51-42-06. INSTALLED 3 EA NUTPLATES ON SHROUD 2 EACH PN MS21061L08K NUTPLATES & 1 EA MS21047L3 NUTPLATE IAW SRM 51-45-00 & 51-42-06. REMOVED SHROUD. LOCATED AND DRILLED SERVICEABLE SHROUD IAW SRM 51-42-10. INSTALLED SERVICEABLE SHROUD IAW SB 601R-30-031, PAGE 21 OF 85 ITEMS 130-133 AND SRM 51-23-00 AND SRM 51-42-10.