As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE THE ACFT IS IN HEAVY CHECK FOUND CORROSION AT AFT WET AREA AT FR 90 RT SIDE OF SPLICE. REMOVED AND INSTALLED NEW SHAPE SPLICE AT AFT WET AREA FR 90 RT SIDE, REF SRM 51-40-08. ACFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.