As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS 364 FRAME HAS MULTIPLE SPOTS OF CORROSION ALONG ITS FWD FACE LOWER FLANGE FROM THE OUTBOARD SIDE OF STRINGER 26L TO STRINGER 26R. (C-CHECK) RO: 09/12/2018. REMOVED AND INSTALLED NEW FRAME P/N 601R32007-11 AT AVIONICS DOOR OPENING (FS364) IAW SRM.