What was found
DURING AIRCRAFT C-CHECK AT AIRBORNE (TAMPA), MAINTENANCE REPORT CORROSION WAS FOUND ON THE BOTTOM SURFACE OF THE HORIZONTAL FLANGE AND INBOARD SURFACE OF THE UPPER VERTICAL FLANGE ON THE RIGHT WHEEL WELL LONGERON OUTER CHORD PN: 145T8806-2 BETWEEN STA 1050-1060. CORROSION HAS BEEN REMOVED BY BLENDING AND FOUND TO BE OUT OF SRM ALLOWABLE LIMITS. BOEING WAS CONTACTED PER SR# 3-5437892605, AND PERMANENT REPAIR INSTRUCTIONS WERE PROVIDED. AIRCRAFT WAS REPAIRED AND RETURNED TO SERVICE.