What was found
C-1 DOOR AFT CUTOUT WEB CORRODED APPROXIMATELY STA 27-434, LONGERONS L-27 AND L-25. BURNISHED AREA C-1 DOOR CUT-OUT WEB STA 427 TO 434, LONGERON L-27 TO L-25 AND ALODINED AREA. C/W UT OF AREA WITH ORIG 0.040 REM MAT 0.030 IAW NDTM P. 4 CA 04-00-07 A 9710. EVALUATED AREA ORIG MAT 0.040, REM MAT 0.030, LOSS MAT 0.010 FOUND TO BE OUT OF LIMITS. FABRICATED DOUBLER PN 2024T3, 0.040, P/O ST-0000-3441, DIM 7.6 X 7.25 CUT OUT DAMAGE DIM 3.2 X 7.25 LOCATED & DRILLED DOUBLER HOLES. ALODINED & PRIMERED DOUBLER & AREA C-1 DOOR AFT CUTOUT WEB STA 427 L27R-L25R. INSTALLED DOUBLER ALL IAW SRM 53-01, 53-14-2, 51-10-4 & 51-10-3.