What was found
RIGHT AFT FUSELAGE FRAME 75 SKIN CRACK ABOVE STRINGER 2. EQUIP SETTINGS, 400KHZ, ANGLE 130, H-GAIN 75.0, V-GAIN 85.0, PROBE MID DRIVE, LP FILTER 100. CUT OUT DAMAGED AREA, FABRICATED DOUBLER, FILLER, SHIM & REPAIR ANGLE FOR RT AFT EXTERNAL FUSELAGE SKIN AT FRAME 75 & STRINGER 2R. INSTALLED FABRICATED DOUBLER, FILLER, SHIM & REPAIR ANGLE IAW ERS-EM-53MR-1406 01. RESTORED PROTECTIVE FINISH.