As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C-3 CHECK INSPECTION, FOUND LEVEL 2 CORROSION: CORROSION AT BS70 BETWEEN L30R AND 31R INSIDE FREON COMPARTMENT. CORROSION TO BE ON INTERNAL DOUBLER REMOVED AND REPLACED INTERNAL DOUBLER IAW DC8 SRM 51-1-0 AND 51-1-20D. NON-ROUTINE TASK CARD NUMBER 111371.