What was found
AFT PIT STATION 1661, STRINGER 25L - 25R FRAME HAS CORROSION. REMOVED CORROSION FRAME STATION 1661, BETWEEN STRINGER 25L & 25R IAW SRM 51-10-02-0G. CHECKED LIMITS ORIGINAL MATERIAL .063, AFTER REWORK MATERIAL .043, A MATERIAL LOSS OF .020 WAS FOUND OUT OF LIMITS IAW SRM 53-00-07-1A FIG 101 DET 2. R & R FRAME IAW SRM 51-40-02-0G. REPAIR CLASSIFIED AS CAT A MAJOR REPAIR, DWG 146N1024.