What was found
DURING LINE MAINTENANCE AND DURING REPEAT INSPECTION OF WING CENTER SECTION LEFT RIB 1, FR 42. A FUEL LEAK AND FAILED BOLT AT HOLE 8 WAS FOUND. REAMED BOLT HOLE TO FIRST OVERSIZED DIAMETER, COMPLETED HFEC INSPECTION WITH NO CRACKS FOUND. REPLACED RIB 1 ANGLE, WITH OVERSIZED HOLES AS NEEDED, APPLIED FAY SURFACE SEALANT AND FILLET SEALANT, AND INSTALLED BOLTS WET WITH SEALANT IAW ER/A 542899-14 AND ER/A 548626-14.