What was found
DURING ROUTINE INSP THE VERTICAL STIFFENER AT LBL 14 ON THE AFT SIDE OF THE CTR WING TANK FOUND CORRODED 2 IN FROM TOP OF THE STIFFENER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE INSP THE VERTICAL STIFFENER AT LBL 14 ON THE AFT SIDE OF THE CTR WING TANK FOUND CORRODED 2 IN FROM TOP OF THE STIFFENER.