As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REMOVING PEELING SEALANT ON CENTER WING BOX UPPER SHEAR TIES FOUND SHEAR TIE AT RBL 15 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED CRACKED SHEAR TIE IAW V737-800 SRM 51-40-02-0G-0 SEE MIG-5 OK293216 W/O 1019937 2000/0035 FOR APPLICATION OF VAPOR BARRIER AND SEALANT.