What was found
E900666 - RH UPPER FUSELAGE SKIN CRACKED JUST AFT OF FRAME 75 AND ABOVE STRINGER 2R. CRACK IS 3/8' LONG, MARKED. EASI #8071 USED. 50-500 KHZ PROBE, FREQ= 400 KHZ, V-GAIN= 78.0, H-GAIN= 65.0, LPF= 100 .... REPAIRED RH UPPER FUSELAGE SKIN CRACKED JUST AFT OF FRAME 75 AND ABOVE STRINGER 2R IAW PIEDMONT EO1-53-22-0024