What was found
CORROSION ON THE STRINGER ON THE RIGHT HAND SIDE OF THE AFT CARGO PIT BETWEEN STATIONS 767 AND 787 12 INCHES FROM THE BUTT LINE. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT FLOOR RAIL AT STA 772, RBL 13.84 IAW B737-800 SRM 53-00-53-1A-2.2.D ORIG THICKNESS IS .070" IAW B737-800 SRM 53-60-53-01-2 TABLE 2. REMOVED .011", REMAINING THICKNESS IS .059" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.A.(2). REPAIRED AFT PIT FLOOR RAIL BETWEEN STA 767 AND STA 787, RBL 13.84 USING PN:BAC1509-100688 7050-T76511, PO:1124053.1 IAW B737-800 SRM 53-00-53-2R-3.