As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - HEAVY CORROSION ON OUTER SKIN OF NR 2 FUEL CELL AT STATION 847, LBL 28, WING CENTER SECTION. REMOVED 4 FASTENERS, BLENDED CORROSION. REMOVED .051 THICKNESS. REAMED HOLES 2ND OVER, COLD WORKED HOLES. INSTALLED 4 4 EACH 2ND OVERSIZE HI-LOCKS (SEALER) TREATED AND PRIMED. (M)