As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON STRINGER 27 IN STA. FS= 280 TO FS= 295 ALSO 25L BTW FS=295 TO FS=310 AT MAIN AVIONICS COMPARTMENT. (E/E)(TCI:53-20-305). CORROSION LEVEL 2. STRINGER 27 IN STA. FS= 280 TO FS= 295 AND 25L FS=280 TO FS=333 WERE REPLACED PER SRM 51-42-06-001-001-A01. P/NS SH670-31642-1 AND SH670-31212-1.