What was found
AFT PIT FRAME 1640 HAS CORROSION AT LOWER WEB AREA BETWEEN STRINGERS 27L - 28L. REMOVED CORROSION ON AFT PIT FRAME 1640, LOWER WEB, BETWEEN STRINGER 27L - 28L IAW SRM 51-10-02. ORIGINAL MATERIAL .063, MATERIAL LOSS .014, MATERIAL REMAINING .049, OUT OF LIMITS IAW SRM 53-00-07, FIG 101, DETAIL II. R & R FRAME, STATION 1640, STRINGER 24L - 24R IAW SRM 51-40-02 & DWG 146N1023, SH 1, REV F.