As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED FOR HEAVY MAINTENANCE. FORWARD LOWER CARGO STATION 764 SHEAR TIE (FORMER) CORRODED BETWEEN STRINGER 38L AND 39L. FABRICATED NEW PORT IN ACCORDANCE WITH REA DOCUMENT 47224FAB08. INSTALLED NEW SHEAR TIE IN ACCORDANCE WITH SRM 51-40-02 PARAGRAPH 7D AND 4B.