What was found
NR 1 ENGINE FIRST AFT HEATSHIELD GAP STRIP WORN. BLENDED DAMAGED AREAS ON NR 1 GAP STRIP, NR 1 ENGINE. OUTBOARD AREA AFTER CLEAN HAS DEPTH OF .140X1&13-16" LONG. INBOARD AREA AFTER CLEAN UP HAS A DEPTH OF .070X1&3-8" LONG. WILL REQUIRE HFEC TO TRIM LINE. DUE TO MORE THAN ONE AREA OF DAMAGE TO A SINGLE GAP STRIP, WILL REQUIRE ENGINEERING. ACCOMPLISHED HFEC AS REQUIRED REF MT54-UA2. NO CRACKS FOUND AT THIS TIME.