What was found
DURING HEAVY MAINTENANCE FOUND LT AFT FUSELAGE INTERCOSTAL CORROSION LOWER SURFACE FRAME 70. REPLACED INTERCOSTAL IAW SRM 51-42-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE FOUND LT AFT FUSELAGE INTERCOSTAL CORROSION LOWER SURFACE FRAME 70. REPLACED INTERCOSTAL IAW SRM 51-42-11.