What was found
AIR INTERRUPT/FLAPS FAIL/OVR WT LANDING/EMERGENCY DECLARED FLAP FAIL CAUTION MSGAPPEARED ON EICAS AFTER TAKE OFF WHEN RETRACTING FLAPS FROM 2 TO 1. RAN QRH FLAP FAIL CHECKLIST FLAP FROZEN AT FLAP 2 SLAT 3 . WINDSHIER FAIL GROUND PROX FAIL ASSOCIATED ON EICAS."TRANSFERRED TO NRWC 079-ORD-01450 PCLEARDI 386888"-C/A-REF NRWC 079-ORD-01450. RESECURED RH TORQUE TUBE F3 IAW EMB 175 AMM 27-51-00. PERFORMED RIG CHECK APPLICABLE WITH 27-50-00. OPS CHECKS GOOD. ALL TRIP INDICATORS RESET AND RECHECKED.