What was found
PIT - DURING Q-4 CHECK, FOUND CORROSION 1 INCH BY .5 INCH FIVE EACH AREAS INSIDE AND OUTSIDE SURFACE (SEVERAL PLACES) AT FRAME 897 LONGERON 29R AND INTERCOSTAL BEAM, AFT CARGO. CORROSION LEVEL 1. REMOVED TIE DOWN, MANUFACTURED NEW STRAP FOR TOP OF INTERCOSTAL FROM 7075T6 .040 INCH AND INSTALLED A NEW TIE DOWN BRACKET PER SRM 51-10-03. (M)