As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - FLIGHT CONTROL - DURING C-17 CHECK A 2 INCH CRACK WAS FOUND ON RT WING OUTBOARD FLAP, INBOARD FLAP TRACK, AT WBL 254. MAINTENANCE STOP DRILLED CRACK AND PERFORMED A HFEC INSPECTION TO VERIFY CRACK WAS CONTAINED; FILLER WELDED STOP DRILL HOLE; GRINDED WELD BEAD FLUSH; PERFORMED CLOSE VISUAL INSPECTION TO VERIFY NO CRACKS EXIST; CLEANED AND PRIMED AREA. REPAIR WAS PERFORMED IAW AWA ER 03-5750-03147-SS1.