As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH DETAILED INSPECTION OF LOWER WING PLANK SPLICE JOINTS AT BL45.0 WS65.75 AND WS148.0 CONFIRMED 2ND LAYER DEFECT INDICATIONS IN FWD 2 FASTENER LOCATIONS PROCEEDING TOWARD AFT ROW OF FASTENERS. APPROXIMATELY .250". *****AIRCRAFT REMOVED FROM SERVICE******** HAD MHI MOBILE REPAIR TEAM TO PERFORM REPAIR OF THE WING SPLICE JOINT IN COMPLIANCE WITH SB 601R-57-044D AND REO 601R-57-21-3790.