What was found
WHILE THE ACFT WAS OUT OF SERVICE FOR HEAVY MAINT CHECK, CORROSION WAS FOUND AT CENTER FUSELAGE III AFT WET AREA FR 90 AT LT SPLICE. REMOVED SPLICE MADE NEW LOCATED, DRILLED AND ALODINED NEW FR 90 LT SPLICE AND INSTALLED REF SRM 51-41-02 APPLIED TOP COAT REF SRM 51-23-06, CPM 51-25-00.