What was found
AFTER SELECTING FLAPS 20, RECEIVED TE FLAP DISAGREE EICAS MESS. FLAPS INDICATED BETWEEN 15 & 20. RAN TE FLAP DISAGREE QRH, DIRECTED TE ALTN FLAPS SWITCH TO BE SELECTED. AFTER SWITCH SELECTED, A GRINDING NOISE UNDER FLAP HANDLE HEARD & TE DISAGREE LIGHT REMAINED ILLUMINATED. QRH DIRECTED TE ALTN FLAPS SWITCH DESELECTED & PROCEED TO TE FLAP ASYM CHKLST. RAN CHKLIST & LANDED WITH FLAPS AT CURRENT POSITION, EMERGENCY DECLARED. NO FSEU FAULTS FOR INBD FLT. NO EICAS MSG. PERFORMED TE FLAP LUBE. CKD TRANS & TQ LIMITER FLUID LEVELS. ALL OK. PERFORMED FLAP/SLAT NORM OPS CK. ALL MOVEMENT SMOOTH NO UNUSUAL NOISE OR BINDING. PERFORMED #4 & #5 FLAP TRASNS VIBRATION CK PER EA F-2750-T0384617. BOTH TRANSMISSIONS IN LIMITS. PERFORMED FLAP/SLAT ALT OPS CK. NOTED THAT #4 JACKSCREW OUT OF RIG 360 & AT FLAPS 30 IN ALT WOULD CONTACT STOP. ADJ #4 JACKSCREW. #3 & #4 JACKSCREWS WITHIN LIMITS. PERFORMED FLAP/SLAT NORM & ALT OPS CK S. FLAP/SLAT OPS OK. NO FAULTS OR EICAS MSG S.