What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED, HEAVY CORROSION ON OUTBOARD SIDE OF LONGERON 31L F.S. 490 - 510. REPAIRED PER UPS E.O.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED, HEAVY CORROSION ON OUTBOARD SIDE OF LONGERON 31L F.S. 490 - 510. REPAIRED PER UPS E.O.