What was found
NR 2 ENGINE, NR 4 PYLON HEAT SHIELD GAP STRIP HAS 1-4" CRACK EXTENDING FROM PREVIOUS REPAIR. BLENDED GAP STRIP PER MT 777 54-UA02. FINISHED BLENDING MEASUREMENTS ARE .25" DEEP AND 4 7-8" LONG. ACP'D EDDY CURRENT CHECK OF BLENDED AREA. NO CRACK INDICATIONS NOTED. THIS TIME LIMITED REPAIR ON THE FOURTH GAP COVER STRIP P/N 313W3829-4 IS ACCEPTABLE UNTIL 2-5-2012 AT WHICH TIME THE GAP COVER STRIP MUST BE REPLACED PER UA-EVA-81002.