As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER 39L BETWEEN STATION 500 TO STA 478 HAS CORROSION/CRACKS ON FWD END. FABRICATED NEW STRINGER PN 143T3001-72 IAW B767 SRM 53-30-03. RE-INSTALLED STRINGER IAW B767 SRM 51-40-02, 53-00-03 FIG 201 STA 456-632 S39L. AIRCRAFT WAS GROUNDED.