What was found
WHILE IN FOR C-CHECK, MAINTENANCE FOUND HEAVY CORROSION ON LONGERON 35L, FS 280-300 AND ON LONGERON 33L, FS 320. MAINTENANCE REPLACED LONGERON SECTION FS 190-390 PER SRM 51-1-20D.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE FOUND HEAVY CORROSION ON LONGERON 35L, FS 280-300 AND ON LONGERON 33L, FS 320. MAINTENANCE REPLACED LONGERON SECTION FS 190-390 PER SRM 51-1-20D.