What was found
DURING C-CHECK, N/R 53605 IN AFT CARGO STR 27L HAS CORROSION FROM BS 950 A TO BS 1070. CUT-OUT DAMAGED SECTION OF STR 27 L FROM STA 950A PLUS 10 TO 1080 IAW B-727 SRM 53-10-3 FIG 1. FABRICATED NEW STRINGER USING BAC1498-145 4 PIECES AT 21 INCHES, TWO EACH AT 19 INCHES AND ONE PIECE 20 INCHES PO 312634. FABRICATED AFT SECTION STRINGERS USING BAC 1498-147 TWO PIECES 20 INCHES AND ONE PIECE 26.5 INCHES LONG, PO 312634. FABRICATED SPLICES USING BAC1498-131 PO 312634 THREE PIECES 10 INCHES, ONE PIECE 14 INCHES, AND 6 PIECES 13 INCHES. ALODINED AND PRIMED ALL PARTS IAW B-727 SRM 51-10-2. INSTALLED ALL REPAIR PARTS IAW B-727 SRM 53-10-3 FIG 1.