What was found
TE FLAP ASYM EICAS MSG AFTER SELECTING FLAPS 20. SPEED WAS 170 KTS AT 2000 FT. FLAP INDICATORS ARE SPLIT AT FLAPS 15. RIGHT WING WANTED TO COME UP. EMERGENCY DECLARED. FOUND LH OUTBOARD FLAP INBOARD TRACK UPPER ROLLER BEARINGS BADLY DAMAGED. PARTS ON ORDER. REMOVED BOTH UPPER AFT BOLTS AND BEARINGS ON LEFT OUTBOARD FLAP INBOARD CARRIAGE ASSEMBLY REF 757 CMM 27-51-18 REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: 251N4281-27 CPN: 2719685 ON MPN: 251N4281-27 CPN: 2719685 SRL: UNK780 TAG NBR: 2491G1 INSTALLED NEW UPPER AFT BOLTS AND BEARINGS ON LEFT OUTBOARD FLAP INBOARD CARRIAGE ASSEMBLY IAW 757 CMM 27-51-18. REMOVED AND REPLACED LH WING #2 TORQUE TUBE DUE TO WORN SPLINES IAW 757 AMM 27-51-25-2. ALL RIG AND OPS CHECKS GOOD. FLAP INDICATION SPLIT NO LONGER PRESENT.