As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. PULLED RIVET HEAD WITH FUSELAGE SKIN BULGING OBSERVED AT FS 1320 & LONGERON 30. MAINTENANCE FOUND SKIN CORROSION TO BE WITHIN LIMITS IAW SRM 53-04-01. FOUND LONGERON CORROSION TO BE BEYOND LIMITS. REPAIRED STRINGER BETWEEN STA 1316 AND AFT BULKHEAD SRM 53-02-00-001.