What was found
RIGHT UPPER FUSELAGE SKIN CRACKED JUST AFT OF FRAME 75 & ABOVE STRINGER 2R. CRACK ENDS MARKED APPROX 3/8 INCHES IN LENGTH. DO NOT STRIP FOR NDT. EASI 8071 USED, FREQ=400KHZ, VGAIN=77, HGAIN=65, LPF=100. ACCOMPLISHED REPAIR ON RT UPPER FUSELAGE SKIN JUST AFT OF FRAME 75 & ABOVE STRINGER 2R IAW ERS-EM-53MR-931.