P ) ▁was ▁awarded ▁to ▁Bou st ead ▁He avy ▁Indust ries ▁to ▁over ha ul ▁the ▁ag ing ▁cor v ettes , ▁with ▁work ▁to ▁be ▁carried ▁out ▁locally ▁at ▁the ▁Bou st ead ▁Naval ▁Sh ip yard ▁in ▁L um ut . ▁By ▁this ▁time , ▁K D ▁K ast uri ▁had ▁reported ly ▁not ▁been ▁oper ational ▁since ▁ 2 0 0 7 , ▁and ▁it ▁would ▁eventually ▁take ▁almost ▁seven ▁years ▁for ▁her ▁to ▁res ume ▁oper ational ▁status ▁in ▁early ▁ 2 0 1 4 . ▁K D ▁Le kir ▁remained ▁in ▁active ▁duty ▁until ▁the ▁S LE P ▁work ▁on ▁her ▁began ▁in ▁October ▁ 2 0 1 1 ▁and ▁was ▁completed ▁in ▁November ▁ 2 0 1 4 . ▁The ▁S LE P ▁is ▁estimated ▁to ▁have ▁extended ▁the ▁cor v ettes ' ▁service ▁life ▁by ▁around ▁ 1 5 ▁years . ▁ ▁Despite ▁the ▁work ▁being ▁incomplete ▁on ▁K D ▁Le kir ▁at ▁that ▁time , ▁both ▁ships ▁participated ▁in ▁the ▁search ▁for ▁the ▁missing ▁Malays ia ▁Airlines ▁Fl ight ▁ 3 7 0 ▁in ▁March ▁ 2 0 1 4 . ▁ ▁Sh ips ▁of ▁the ▁class ▁ ▁Gallery ▁ ▁See ▁also ▁ ▁List ▁of ▁naval ▁ship ▁classes ▁in ▁service ▁ ▁– ▁A ▁Colomb ian ▁ship ▁class ▁also ▁based ▁on ▁the ▁F S ▁ 1 5 0 0 ▁design . ▁ ▁Notes ▁ ▁References ▁ ▁Baker , ▁A . D . ▁The ▁Naval ▁Institute ▁Guide ▁to ▁Com bat ▁Fle ets ▁of ▁the ▁World ▁