What was found
DURING D-CHECK, CORROSION ON AFT UPPER SPAR CAP CENTER WING TANK AT FS 870, LBL 33 TO LBL 48. CUT WEB FROM LBL 33 TO LBL 48, CUT SPAR CAP, 1 INCH BY 4 INCHES. INSTALLED WEB AND ANGLES FOR SPAR REPAIR PER SRM 57-10-6 (WEB REPAIR), 51-40-4 AND AERO NR 95PMSI.053R0-1, DATED 2-18-95 (SPAR REPAIR). TAT: 53,881.4 HOURS. TAC: 36,380.