What was found
MAIN CABIN FLOOR STRUCTURE, FRAME UPPER T-CAP LOWER SKIN HAS CORROSION AROUND SEVERAL FSTNR HOLES, BS986, RBL-00 TO RBL-64. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02. ORIGINAL THICKNESS .150 REMOVED .019 REMAINING MAT .131 FOUND TO BE OUT OF TOLERANCE IAW B737-800 SRM 53-70-51. FABRICATED, LOCATED AND DRILLED NEW STRAP AND NEW SHIM. IAW B737-800 SRM 53-70-51-2R-6. ALODINED NEW STRAP AND NEW SHIM IAW B737-800 SRM 51-80-01. PRIMED IAW B737-800 BOEING SOPM 80-41-02. INSTALLED NEW STRAPAND NEW SHIM IAW B737-800 SRM 51-10-02. INSTALLED NEW STRAP AND NEW SHIM IAW B737-800 SRM 53-70-5-2R-6 TOOL USED #T8224K DUE DATE: 04/17/2023.