What was found
DURING "B" CHECK INSPECTION, FOUND CORROSION ON LT WING LOWER SKIN, LOWER FRONT SPAR CHORD, AND FRONT SPAR WEB BETWEEN FSS 1250 AND 1510. REMOVED DAMAGED CHORD AND REPLACED A REPAIR SECTION OF CHORD FROM FSS 1260 TO THE PRODUCTION SPLICE AT FSS 1446.13. REPAIRED LOWER WING PANEL, AND SPLICED IN NEW SECTION OF FRONT SPAR WEB FROM FSS 1284 TO 1318 REPAIRS ACCOMPLISHED PER SRM 57-30-03, FIG 9, SB 747-57-2158, BAC REPAIR DWG 691U0093, AND ECRA 477-57-108-2.