As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT ATTACHING RIVET HEADS STA 1010-1090 STR 27L IN AFT PIT. FOUND CORROSION OUT OF LIMITS IAW SRM 53-10-1, REMOVED STRINGER 27L FROM BS 1010 TO BS 1090 IAW SRM 51-30-2. FABRICATED NEW STRINGER AND SPLICES IAW SRM 53-10-3. INSTALLED REPAIR PARTS IAW SRM 53-10-3 AND 51-30-2.