What was found
STRINGER 13R AT BS 470 HAS CORROSION. ACFT GROUNDED. REPAIRED STRINGER 13R, STA 470 IAW EA 400, 53 EA, 13052 REV NEW ISSUED 17JUL14 IAW ASSOCIATED FAA FORM 8100-9 THIS IS A DAMAGE TOLERANCE, CAT B REPAIR FIRST AND SECOND STAGE APPROVAL HAS BEEN PROVIDED THIRD STAGE APPROVAL IS REQUIRED BEFORE ACFT REACHES 75000 TOTAL FLT CYCLES AT TASK NOTIFICATION SENT W 1", O .060", R .049", L 3", D .011.