What was found
RIGHT WING LOWER SKIN IS CRACKED AT WS 148.019, APPROX .4" LONG. CRACK IS RADIATING FROM THE WING SKIN T/E FORWARD. CRACK IS OUT OF ALLOWABLE LIMITS OF MFG ALERT S/B A601R-57-031, REV A. JOINT STRAP FAILS NDT WITH AN INDICATION FULL SCREEN HEIGHT IAW NDTM 51-20-06. R & R JOINT STRAP PN 601R10336-44 IAW SRM 51-42-06. ECTC REQUIRED FOR REO 601R-57-51-578. REO 601R-57-51-578 HAS BEEN ACCOMPLISHED AND ALL STEPS HAVE BEEN DOCUMENTD AND SIGNED FOR ON A NRI WORK CARD. ALL RII'S HAVE BEEN ACCOMPLISHED BY A TRAINED, QUALIFIED AND AUTHORIZED RII INSPECTOR IAW GMM 3-3 PROCEDURES, PRIOR TO THE ACFT BEING RETURNED TO SERVICE. FUEL PANELS 640FB AND 650HB DUE LEAK CHECK. FUEL PANELS 640FB & 650HB LEAK CHECKED GOOD IAW AMM 28-11-00-790-802.