What was found
CENTER TANK SECTION UPPER SURFACE FOUND CORROSION BETWEEN STA 852 AND STA 871.5 AT RBL 88.5. REPAIR ON THE CENTER WING UPPER FWD SKIN AS PER PRI:633864-14 (1573906) (AIRCRAFT GROUNDED)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CENTER TANK SECTION UPPER SURFACE FOUND CORROSION BETWEEN STA 852 AND STA 871.5 AT RBL 88.5. REPAIR ON THE CENTER WING UPPER FWD SKIN AS PER PRI:633864-14 (1573906) (AIRCRAFT GROUNDED)