What was found
DURING INSPECTION, FOUND FWD CABIN UTILITY AREA FLOOR SUPPORT BETWEEN FR12-FR16, Y503.2 UPPER FLANGE HOLES HAS CORROSION AND SCRIBE LINE MARKS. REMOVED CORROSION AND SCRIBE LINE MARKS IAW SRM 51-74-00 AND SRM 51-73-00, CHECKED LIMITS MEASURES AS FOLLOWS BLEND OUT 1. L=1.0" W=10" D= 0.021" MARKED AREAS 2. L=5.4" W= 600" D=0.010 3. L=3.5" W=0.350" D=.008" 4. L=2.7" W=.250" D=.004" BLENDS MAX ALLOWED L=2.165 FOUND OUT OF LIMITS IAW SRM 53-11-14, FIG 103 AND 106. REPLACED FLOOR SUPPORT IAW SRM 51-42-11 AND TRM 53-21-01.