What was found
DURING INSPECTION, FOUND AFT FUSELAGE, UNDERFLOOR FR66 AT STR26R AREA HAS CORROSION. REMOVED CORROSION IAW SRM 51-74-00. CHECKED DIMENSIONS L=0.90" W=0.450" D=0.20". NO ALLOWABLE DAMAGE LIMITS IN SRM. ACCOMPLISHED REPAIR IAW ER/A 510352-14, REV ORIGINAL SECTION I PERMANENT REPAIR.