What was found
AFT WET AREA: STA. 986 FLOORBEAM HAS CORROSION AT FASTENER HOLES. MARKED IN RED. GROUNDED - YES. REMOVED CORROSION AND EVALED. ORIG T .150", REMOVED .009", REMAIN T .141" FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1 FABRICATED NEW REPAIR PARTS (1 EA TCHORD, 4 EA BATH TUB FITTINGS) IAW B737-800 SRM 53-70-51-2R-4. REMOVED AND REINSTALLED ASSOCIATING SUBSTRUCTURE IAW BAC DWG 147A5700 REV B. FABRICATED FREEZE PLUG AND RETAINING WASHER, AND INSTALLED IAW 800-53EA-24421 AND B737-800 SRM 50-20-10.