What was found
LH A/C BAY STA 663 LBL10 LOWER CENTER TANK ATTACH ANGLE IS CRACKED. A177-003 / INSTALLED EWIZ PROTECTION IAW AMM 20-60-07-913-801.[13] LOCATED; DRILLED AND TRIMMED TO FINAL SIZE -1 INBOARD REPLACEMENT SECTION; -2 SPLICE SECTION; AND -1 OUTBOARD REPLACEMENT SECTION I/A/W B737-800 SRM 57-10-10-2R-5 REPAIR 5;[16] TREATED AND PRIMED REPAIR PARTS I/A/W B737-800 SRM 57-10-10-2R-5 REPAIR 5. STEPS 4.F AND 4.G.INSTALLED ALL OTHER PERMANENT OR TEMPORARY FASTENERS USING BMS5-95 BEFORE SQUEEZE OUT; MIXED AT 1600 24MAY2 IAW SRM 57-10-10-2R-5. CAP SEALED TANK FASTEMERS IAW SRM 57-10-10-2R-5 STEP 4L(8). INSTALLED STAND OFFS; STIFFENER; SHIM; AND FITTINGS I/A/W BOEING DWG#111A1000 REV.B AND B737-800 SRM 51-40-02-0G-0; COMPLETED CAP SEAL AND FILET SEAL OF FASTENERS IN REPAIR AREA AS REQUIRED IAW SRM 57-10-10-2R-5. APPLIED CIC TO REPAIR AREA AS REQUIRED IAW SRM 57-10-10-2R-5 STEP 4O.REMOVED EWIZ PROTECTION IAW AMM 20-60-07-913-801.