What was found
L/H STA 663 VAPOR BARRIER CRACKED AT LBL 10 LOWER CORNER. STOP DRILL CRACK AS PER B737 SRM 51-70-04-2R-10; ACCOMPLISH DRY OUT ON DAMAGE AREA OF L/H VAPOR BARRIER FOUND NO WATER AS PER B737 SRM 51-70-04-2R-0 SECTION 4-D-9; REPAIRED 9' CRACK ON THE L/H VAPOR BARRIER WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-10 AND REPAIRED A 6' INTERIM REPAIR IN THE SAME LOCATION .TOTAL CRACK SIZE 15' AS PER B737 SRM 57-10-10-1A-2 SECTION 2-C-4 AT STA 663 LBL 10' LOWER CORNER.PERFORMED TAP TEST ON REPAIRED AREA; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION (5);ON THE INTERIM REPAIR DO A VISUAL INSPECTION OF THE REPAIRED AREA AT 1200 FLIGHT CYCLE INTERVALS OR MORE FREQUENTLY AS PER B737 SRM 57-10-10-1A-2 SECTION 2-C-(4);