What was found
DURING INSPECTION OF THE CENTER WING REAR SPAR VAPOR WEB FOUND CRACK RUNNING VERTICALLY APPROX 7.75 INCHES IN LENGTH AT LBL 45 LEFT WHEEL WELL, REF SRM 57-10-10 FOR ALLOWABLE LIMITS. MOD / PERFORMED INTERIM REPAIR OF CENTER WING REAR SPAR VAPOR WEB @ LBL 45 REF EA 1-A57-13410. PERMANENT ACTION REQUIRED: ACCOMPLISH A PERM REPAIR AS PER 737-700 SRM 51-70-04, REPAIR 10 OR AS AN ALTERNATIVE; REPAIR PART OF THE CRACK SO THAT THE CRACK LENGTH IS LESS THAN THE TOTAL ALLOWABLE DAMAGE LIMIT. APPLY THAT INTERIM SEAL OVER THE CRACK THAT IS LEFT AS GIVEN IN 737-700 SRM 57-10-10 PARA 2.C. (4) ALLOWABLE DAMAGE 2.