As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C 4 CHECK IN OSCODA MICHIGAN (OSC), KALITTA MAINTENANCE FOUND AFT CARGO COMPARTMENT HAS EVIDENCE OF CORROSION BETWEEN STATION 1351-1395 AT STRINGER L39. GB6.FOUND TO BE OUT OF LIMITS.ACCOMPLISHED REPAIR ON AFT CARGO STR39L AT REPAIR STA 1354 TO REPAIR STA 1405 IAW B767-300 SRM 53-00-03 REPAIR 2.