As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL CORRODED S27L BETWEEN FRAMES BS 349 & 364. REMOVED INTERCOSTAL IAW SRMS 51-42-21-001-001-A01 AND 51-42-06-001-001-A01. LOCATED AND DRILLED NEW INTERCOSTAL IAW SRM 51-41-11-001-001-A01. INSTALLED THE NEW INTERCOSTAL IAW SRM 51-42-21-001-001-A01 & DWG SH670-32075. MAJOR REPAIR.