As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE SCHEDULED MX THE SKIN OF THE FUSELAGE IS CORRODED UNDERNEATH FRAME AT FS 203.25 AT STRINGER 15R TOWARDS 16R. LENGTH IS APPROIMATELY 3.5" AND RUNS UNDER FRAME. MX REMOVED DAMAGED SKIN AND INSTALLED INSERTION PATCH AND DOUBLERS. SKIN PATHC 11 X 5.7 .025", 2024 T3 AL ALCLAD. TWO DOUBLERS 6.8 X 3.8 .032", 2024 T3 AL ALCLAD. TWO DOUBLERS 4.7 X 4.5 .O32 , 2024 T3 AL ALCLAD. MS204070AD4 RIVETS.