What was found
DURING ACCESS FOR AD 80-12-01 INSPECTION, FOUND LBL 21 FLOOR INTERCOSTAL UPPER CHORD CORRODED FS 352 TO 371. REPLACED INTERCOSTAL UPPER PLATE PER SRM 51-2-9, M-54 NR 133.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ACCESS FOR AD 80-12-01 INSPECTION, FOUND LBL 21 FLOOR INTERCOSTAL UPPER CHORD CORRODED FS 352 TO 371. REPLACED INTERCOSTAL UPPER PLATE PER SRM 51-2-9, M-54 NR 133.