What was found
DURING C-CHECK AT PEMCO, AFT CARGO DOOR LOWER LOBE BULKHEAD STA 1183, APPROX BL 44, UPPER FLOOR WEB CRACKED IN 2 EACH PLACES. STOPPED DRILLED CRACK IAW B-727 SRM 51-10-01. REMOVED ACCESS COVER ON TOP OF FLOOR, FOUND CORROSION UNDER COVER, MATERIAL OUT OF LIMITS IAW B-727 SRM 51-10-6. CUT AND REMOVED DAMAGED AREA IAW B-727 SRM 51-10-01. MATERIAL ID FOR NEW DOUBLER AND FILLER 160 X 48 X 144 7075 T-6 PO 0230573. FABRICATED, DRILLED AND DEBURRED NEW DOUBLER AND FILLER IAW B-727 IAW B-727-SRM 51-30-8. ALODINED, PRIMED AND INSTALLED IAW B-727 SRM 51-30-2, 51-10-6.