What was found
INSPECTION TYPE:C R/H WING CENTER SECTION STA 1241 BULKHEAD FITTING REAR SPAR WEB AFT SURFACE FOUND CORROSION ADJACENT TO BOLTS #13, 14, 15, 24, 25 & 26. CORROSION IS REMOVED AS PER EO B747-5710-11129 PG 9, OPENED BOLT HOLES ARE REAMED TO 0.375", NDT C/OUT & CONFIRMED NO CRK ON BOLT HOLES AS PER NTM PART 6,51-00-00 FIG.16, ALODINE APPLIED TO ALL ALUMINUM SURFACE & ALL 6 EA BOLTS ARE REINSTALLED AS PER EO B747-5710-11129, LEAK CHK OF FUEL TANK C/OUT "SATIS" PER MM 28-11-00