As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT, FOUND CORROSION AT INTERCOSTAL DOUBLERS, STA 1212 TO 1231 AND STA 1212 AT LONGERON 229R. REMOVED FASTENERS AND DOUBLERS. REMOVED CORROSION BY SANDING PER SPM 6-80-01 PAGES 1 TO 3. TREATED AND PRIMED PER SRM 51-10-03.