As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER 39L BETWEEN STA 500 AND STA 522 HAS HOLE IN THE AFT END. FABRICATED NEW STRINGER SECTION P/N 143T3001-72 IAW B767 SRM 53-30-03. INSTALLED STRINGER IAW B767 SRM 51-40-02, 53-00-03 FIG 201. REF BAC1498-202. AIRCRAFT WAS GROUNDED.