As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "C" CHECK INSPECTION THE FOLLOWING WAS FOUND; AFT ACCESSORY COMPT INTERIOR STA 1620 BETWEEN L-30L AND L-31L SKIN WITH CORROSION. REPAIRED INNER DOUBLER BETWEEN FS 1620 AND FS 1680 AND L-26L AND L31L IN ACCORDANCE WITH DRAWING NR AIPSAC-N784AL-06/05, ISSUED FAA FORM 8110-3.