As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED RT FRONT SPAR VERTICAL STIFFENER INB OF NR 3 TANK FUELING VALVE HAS CORROSION AT BONDING WIRE. REMOVED DAMAGED STIFFENER, FABRICATED REPLACEMENT STIFFENER IAW SRM 51-10-1 AND INSTALLED IAW SRM 51-30-2.