What was found
DURING C-CHECK, UPPER FLANGE OF INTERCOSTAL FRAME BETWEEN BS 312 TO 335 AT LBL 30 HAS CORROSION. REMOVED AND REPLACED DAMAGED INTERCOSTAL FRAME BETWEEN BS 312 TO 335 AT LBL 30 PER SRM 51-40-3 AND 51-40-2. REPAIR LENGTH 24, N/R3613.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK, UPPER FLANGE OF INTERCOSTAL FRAME BETWEEN BS 312 TO 335 AT LBL 30 HAS CORROSION. REMOVED AND REPLACED DAMAGED INTERCOSTAL FRAME BETWEEN BS 312 TO 335 AT LBL 30 PER SRM 51-40-3 AND 51-40-2. REPAIR LENGTH 24, N/R3613.