What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED RT WING AT ACCESS PANEL JUST I/B OF NR 4 K-FLAP I/B END BULKHEAD ANGLE AT LOWER END HAS NUMEROUS CRACKS AT FASTENERS. REMOVED CRACKED CHORD, FABRICATED CHORD PER SRM 57-20-2, ALODINED AND PRIMED PER SRM 51-10-2 AND INSTALLED PART PER SRM 51-30-2.