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; FUSELAGE INTERIOR BETWEEN STA 1060.000 AND STA 1080.000 LT CUSP WITH CORROSION. ACCOMPLISHED REPAIR IN ACCORDANCE WITH BOEING ROD SKETCH 04-05-18-001. ISSUED FAA FORM 8110-3 APPROVING THIS REPAIR.