What was found
LEFT PYLON FWD YOKE UPPER FLANGE AFT FASTENER HOLE HAS A RELEVANT INDICATION DURING HFEC ROTOR TEST INSPECTION. FREQ. 500KHZ, ANGLE 151.0 DEGREES, H-GAIN 86.7 DB, V-GAIN 66.1 DB, HP FILTER 400 HZ, LP FILTER 1600 HZ. EASI S/N 8958, 9081 .... INSTALLED SERVICEABLE REPAIR BUSHINGS AND PREPPED AND INSTALLED SERVICEABLE FASTENER AND WASHER ON LH PYLON FWD YOKE UPPER FLANGE AFT HOLE IAW ETD2022-145-036593 AND EMB SB145-54-0008. COMPLIED WITH EO1-54-22-0263