As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WING CENTER SECTION INTERNAL AFT SPAR WEB BULGED IN AREA OF UPPER SPAR CHORD BL 22L DUE TO CORROSION. INSTALLED WING CENTER SECTION AFT SPAR WEB REPAIR AT STATION 870 BETWEEN LBL 17.2 AND LBL 25.9 IAW AVITAS ENGINEERING REPAIR ORDER AVHM-237RO-1 REV 1R DATED 07/24/2001, 8110-3 DATED JULY 24, 2001 ISSUED. MATERIAL LOSS WAS WITHIN LIMITS. (M)