What was found
DURING ACCOMPLISHMENT OF CUSTOMER BULLETIN NR 411, CORROSION FOUND IN LOWER FUSELAGE BETWEEN FS 580 AND FS 635, REFERENCE K.C. AVIATION W/O 21945/6001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ACCOMPLISHMENT OF CUSTOMER BULLETIN NR 411, CORROSION FOUND IN LOWER FUSELAGE BETWEEN FS 580 AND FS 635, REFERENCE K.C. AVIATION W/O 21945/6001.