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. A SHEAR TIE MISSING PROTECTIVE COATING, POSSIBLE CORROSION, AT STATION 434, STRINGER 38L. INSTALLED SERVICEABLE SHEAR TIE AT STATION 434 STRINGER 38L IN ACCORDANCE WITH SRM 51-40-02 PARAGRAPH 4B.